小学1-6年级数学公式及知识点汇总
亲吻图片-
- -
小学一至六年级的数学公式
基本公式:
1
每份数
×
份数=总数
总数
÷<
/p>
每份数=份数
总数
÷
份数=每份数
2
倍数
×
倍数=几倍数
÷1
倍数=倍数
几倍数
÷
倍数=
1
倍数
3
速度
×
时间=路程
路程
÷
速度
=时间
路程
÷
时间=速度
4
单价
×
数量=总价
总价
÷
单价
=数量
总价
÷
数量=单价
5
工作效率
×
工作时间=工作总量
工作总量
÷
工作效率=工作时间
工作总量
÷
工作时间=工作效率
6
加数+加数=和
和-一个加数=另一个加数
7
被减数-减数=差
被减数-差=减数
差+减数=被减数
8
因数
×
因数=积
积
÷
一个因
数=另一个因数
9
被
除
数
÷
< br>除
数
=
商
被
除
数
÷
商
=
除
p>
数
商
×
除
数
=
被
除
数
小学数学图形计算公式:
1
形
C
周长
S
面积
a
边长
周长=边长
×4
C=4a
面积
=
边长
×
边长
S=a×a
2
体
V:
体积
a:
棱长
表面积
=
棱长
×
棱长
×6
S
表
=a×a×6
p>
体积
=
棱长
×
p>
棱长
×
棱长
V=a×a×a
3
长方形
C
周长
S
面积
a
边长
<
/p>
周长
=(
长
+<
/p>
宽
)×2 C=2(a+b)
面积
=
长<
/p>
×
宽
S=ab
4
长方体
V:
体积
s:
面积
a:
长
b:
宽
h:
高
<
/p>
(1)
表面积
=(
长
×
宽
+
长
×
高
+
宽
p>
×
高
)×2
S=2(ab+ah+bh)
-
.
-
总结
-
We will continue to impr
ove
the
compa
ny's
inter
nal control sy
stem, and
steady improveme
nt in
a
bility to manage a
nd
contr
ol, o
ptimize
business
proce
sse
s, to
ensure sm
oot
h processes,
responsi
bilities i
n
pla
ce; to furt
her
strengt
hen i
nternal
contr
ols,
play a
control post inde
pendent
ov
ersight role
of evaluation
com
plying wit
h
third
-party responsi
bility;
to a
ctively make use
of
internal a
udit tools detect potential
management, streamline, standardize related
transacti
ons,
strengthe
ning
operati
ons i
n
accor
dance with law.
Deepeni
ng the information
manageme
nt to ensure full
communicati
on
o constantly perfect
ERP
, and BFS++
, and PI,
a
nd M
IS, and SCM,
i
nformation sy
stem
base
d construction, full
integrati
on informati
on
system, a
chieve
d information
resource
s share
d; to expand
Portal system a
ppli
cation
of breadt
h and
de
pth, play i
nformation
sy
stem on e
nterprise of
Assistant rol
e; to perfect daily
r
un mainte
nance operation of
records,
promote
problem
reasons a
nalysis
and system
ha
ndover; to
strengthe
ning
BFS++, a
nd ERP
,
a
nd S
CM, technology
a
ppli
cation of training,
im
prove empl
oyees
a
ppli
cation information
system of capacity and level.
Humani
stic care t
o ensure
To strengtheni
ng
Huma
nities car
e, continues
to foster
compa
ny wind
cle
ar, and g
as are, and
heart Shun
of culture
atm
osphere;
strengthe
ning
l
ove hel
ped
tra
ppe
d, care
difficult empl
oyees;
carried
out style
a
ctivities, ri
ch
empl
oyees life;
stre
ngthe
ning
health a
nd la
bour
prote
ction, organi
zation
career
health me
dical,
control career agai
nst;
continues to impleme
ntation
psychol
ogical warni
ng
preventi
on sy
stem, training
empl
oyees
health
of chara
cter, a
nd
sta
ble of mood and
enter
prisi
ng of attitude,
created friendly fraternity of
Humanities envir
onment. T
o
stre
ngthe
n risk
manageme
nt, ensure t
hat the
busi
ness
of
o
stre
ngthe
ned
business pla
ns
manag
ement,
will
busine
ss busi
ness
plans cov
er to all level,
e
nsure t
he
busi
ness
can
contr
ol in
contr
ol; to close concer
n
fina
ncial,
and coal
ele
ctric li
nkage, and
energy-savi
ng scheduling,
national policy tre
nds,
strengtheni
ng track, active should; to
impleme
ntation
State
-ow
ned
a
ssets method, furt
her
specifi
cation
busine
ss financial
management; to
perfect risk tube
control system, achieved risk
re
cog
nition, and
measure
, and assessme
nt, and
report, and cont
rol feedba
ck
of closed ri
ng management,
im
prove risk
prevention
ca
pacit
y.
o
further standardi
ze trading
,
and strive to achieve
ng to
la
w, standardize and fair.
of
performance manageme
nt, to ensure
t
hat pote
ntial
empl
oyees
o
strengt
hen
performance
manageme
nt, process control,
e
nha
nce employe
e
evaluati
on and levels
of
effective communication to impr
ove
performa
nce management. To further
qua
ntify and refine
employe
e standards ...
Work
, full play part
y, and
branch, and mem
bers in
prise
n the
of
core rol
e, and fighting fortress role
and pi
oneer model rol
e; to
conti
nue
s to
strengt
heni
ng
good
dershi
p
constr
ucti
on
(2)<
/p>
体积
=
长
×
p>
宽
×
高
V=abh
5
三角形
s
面积
a
底
h
高
p>
面积
=
底
×
高
÷2 s=ah÷2
三角形高
=
面积
×2÷
底
三角形底
=
面积
×2÷
高
6
平行四边形
s
面积
a
底
h
高
p>
面积
=
底
×
高
s=ah
7
梯形
s
面积
a
上底
b
下底
h
高
p>
面积
=(
上底
+<
/p>
下底
)×
高
÷2
s=(a+b)× h÷2
8
圆形
S
面积
C
周长
π
d=
直径
r=
半径
(1)
周长
=
直径
×π=2×π×
半径
C=πd=2πr
(2)
面积
=
半径
×
半径
×n
9
圆柱体
v:
体积
h:
高
s;
底面积
r:
底面半径
c:
底面周长
(1)
侧面积
=
底面周长
×
高
(2)
表面积
=
侧面积
+
底面积
×2
(3)
体积
p>
=
底面积
×
高
p>
(
4
)体积=侧
面积
÷2×
半径
10
圆锥体
v:
体积
h:
高
s;
底面积
r:
底面半径
体积
=
底面
积
×
高
÷3
和差问题的公式:
总数
÷
总份数=平均数
p>
(
和+差
)÷2
=
大数
(
p>
和-差
)÷2
=小数
和倍问题
和
÷(
倍数
-
1)
=小数
p>
小数
×
倍数=大数
(
或者
和-小数=大数
)
play levels ca
dres in
enterpri
se
devel
opme
nt in the of
back
bone backbone role; t
o
full strengtheni
ng members youth
w
ork, full play youth
em
ployee
s in company
development i
n the of force
r
ole; to impr
ove independent
Commissi
on against
corr
upti
on w
ork
level, strengt
heni
ng on
enter
prise busi
ness key link
of
effectiveness
m
onitore
d. , And
maintai
n stabilit
y. To
further stre
ngthe
n
publi
city and e
ducation,
improve t
he overall legal system.
We must stre
ngthen
safety management, esta
blish
and improve the education, supervi
sion,
and evaluati
on as
one
of the traff
ic safety
management mecha
nism.
o
conscienti
ously sum up the
Olympi
c se
curity
control
s, pr
omoting
integrated ma
nagement to a
higher leve
l,
hig
her standards, a higher level of
devel
opme
nt.
Employe
es, today is lunar
cale
ndar on Decem
ber 24, the
ox Be
ll is about to ri
ng, at
this time of year, we clearly feel the
pulse of the XX power generation
compa
ny to
flouri
sh, t
o more clearly
hear XX power ge
neration
companie
mature
and symmetry breat
hing.
Recall
ing pa
st one
a
not
her acr
oss a
raili
ng, we are
e
nthusiasti
c and full of
confide
nce. Future
development
opportunities,
w
e more exciting fight more spirited.
Employees, let us toget
her
acr
oss
2013 full
of challe
nges a
nd
opportunities, to
create a
green, low-cost operation, full of
huma
ne care
of a world-class
power ge
neration
com
pany and work
hard! The
occasi
on
of the Spring
Festival, my si
ncere wi
sh
that you a
nd the families
of
the staff in the ne
w year, good
health, happy,
happy!
2
We will
continue to impr
ove the
compa
ny's
inter
nal control sy
stem, and
steady improveme
nt in
a
bility to manage a
nd
contr
ol, o
ptimize
business
proce
sse
s, to
ensure sm
oot
h processes,
responsi
bilities i
n
pla
ce; to furt
her
strengt
hen i
nternal
contr
ols,
play a
control post inde
pendent
ov
ersight role
of evaluation
com
plying wit
h
third
-party responsi
bility;
to a
ctively make use
of
internal a
udit tools detect potential
management, streamline, standardize related
transacti
ons,
strengthe
ning
operati
ons i
n
accor
dance with law.
Deepeni
ng the information
manageme
nt to ensure full
communicati
on
o constantly perfect
ERP
, and BFS++
, and PI,
a
nd M
IS, and SCM,
i
nformation sy
stem
base
d construction, full
integrati
on informati
on
system, a
chieve
d information
resource
s share
d; to expand
Portal system a
ppli
cation
of breadt
h and
de
pth, play i
nformation
sy
stem on e
nterprise of
Assistant rol
e; to perfect daily
r
un mainte
nance operation of
records,
promote
problem
reasons a
nalysis
and system
ha
ndover; to
strengthe
ning
BFS++, a
nd ERP
,
a
nd S
CM, technology
a
ppli
cation of training,
im
prove empl
oyees
a
ppli
cation information
system of capacity and level.
Humani
stic care t
o ensure
To strengtheni
ng
Huma
nities car
e, continues
to foster
compa
ny wind
cle
ar, and g
as are, and
heart Shun
of culture
atm
osphere;
strengthe
ning
l
ove hel
ped
tra
ppe
d, care
difficult empl
oyees;
carried
out style
a
ctivities, ri
ch
empl
oyees life;
stre
ngthe
ning
health a
nd la
bour
prote
ction, organi
zation
career
health me
dical,
control career agai
nst;
continues to impleme
ntation
psychol
ogical warni
ng
preventi
on sy
stem,
training empl
oyees
health
of
chara
cter, a
nd
sta
ble of mood and
enter
prisi
ng of attitude,
created friendly fraternity of
Human
ities envir
onment.
T
o stre
ngthe
n
risk manageme
nt, ensure t
hat
the busi
ness
of
o
stre
ngthe
ned
business pla
ns
manag
ement,
will
busine
ss busi
ness
plans cov
er to all level,
e
nsure t
he
busi
ness
can
contr
ol in
contr
ol; to close concer
n
fina
ncial,
and coal
ele
ctric li
nkage, and
energy-savi
ng scheduling,
national policy tre
nds,
strengtheni
ng track, active should; to
impleme
ntation
State
-ow
ned
a
ssets method, furt
her
specifi
cation
busine
ss financial
management; to
perfect risk tube
control system, achieved risk
re
cog
nition, and
measure
, and assessme
nt, and
report, and control feedba
ck of closed
ri
ng management, im
prove
risk
prevention
ca
pacit
y.
o
further standardi
ze trading
,
and strive to achieve
ng to
la
w
, standardize and
fair.
of perf
ormance
manageme
nt, to ensure t
hat
pote
ntial empl
oyees
o strengt
hen
performance manageme
nt,
process control, e
nha
nce
employe
e evaluati
on and
levels
of effective communication to
impr
ove performa
nce
management. To further
qua
ntify and
ref
ine
employe
e
standards ... Work
, full play
part
y, and branch, and
mem
bers in
prise
n
the
of core rol
e, and
fighting fortress role and pi
oneer
model rol
e; to
conti
nue
s to
strengt
heni
ng
good
dershi
p
constr
ucti
on
差倍问题
差
÷(
倍数-
1)
=小数
小数
×
倍数
=大数
(
小
数
+
差
=<
/p>
大
数
)
植树问题
1
非封闭线路上的植树问题主要可分为以下三种情形
⑴如果在非封闭线路的两端都要植树
,
那么
:
株数=段数+
1
=全长
÷
株距-
1
全长=株距
×(
株数-
1)
p>
株距=全长
÷(
株数-
1)
⑵如果在非封闭线路的一端要植树
,
另一端不要植树
,
那么
:
株数=段数=全长
÷
株距
全长=株距
×
株数
株距
⑶如果在非封闭线路的两端都不
要植树
,
那么
:
株数=段数-
1
=全长
÷
株距-
1
全长=株距
×(
株数+
1)
株距=全长
÷(
株数+
1)
2
封闭线路上的植树问题的数量关系如下
株数=段数=全长
÷
株距
p>
全长=株距
×
株数
株距=全长
÷
株数
盈亏问题
(
p>
盈+亏
)÷
两次分配量之差=参加分配的份
数
(<
/p>
大盈-小盈
)÷
两次分配量之差=参加分
配的份数
(
大亏-小亏
)÷
两次分配量之差=参加分配的份数
相遇问题
相遇路程=速度和
×
相遇时间
play levels
ca
dres in
enterpri
se
devel
opme
nt in the of
back
bone backbone role; t
o
full strengtheni
ng members youth
w
ork, full play youth
em
ployee
s in company
development i
n the of force
r
ole; to impr
ove independent
Commissi
on against
cor
upti
on w
ork
level, strengt
heni
ng on
enter
prise busi
ness key link
of effectiveness
m
onitore
d. , And
maintai
n stabilit
y. To
further stre
ngthe
n
publi
city and e
ducation,
improve t
he overall legal system.
We must stre
ngthen
safety management, esta
blish
and improve the education, supervi
sion,
and evaluati
on as
one
of the traffic safety management
mecha
nism.
o
conscienti
ously sum up the
Olympi
c se
curity
control
s, pr
omoting
integrated ma
nagement to a
higher leve
l,
hig
her standards, a higher level of
devel
opme
nt.
Employe
es, today is lunar
cale
ndar on Decem
ber 24, the
ox Be
ll is about to ri
ng, at
this time of year, we clearly feel the
pulse of the XX power generation
compa
ny to
flouri
sh, t
o more clearly
hear XX power ge
neration
companie
mature
and symmetry breat
hing.
Recall
ing pa
st one
a
not
her acr
oss a
raili
ng, we are
e
nthusiasti
c and full of
confide
nce. Future
development
opportunities,
w
e more exciting fight more spirited.
Employees, let us toget
her
acr
oss
2013 full
of challe
nges a
nd
opportunities, to
create a
green, low-cost operation, full of
huma
ne care
of a world-class
power ge
neration
com
pany and work
hard! The
occasi
on
of the Spring
Festival, my si
ncere wi
sh
that you a
nd the families
of
the staff in the ne
w year, good
health, happy,
happy!
3
We will
continue to impr
ove the
compa
ny's
inter
nal control sy
stem, and
steady improveme
nt in
a
bility to manage a
nd
contr
ol, o
ptimize
business
proce
sse
s, to
ensure sm
oot
h processes,
responsi
bilities i
n
pla
ce; to furt
her
strengt
hen i
nternal
contr
ols,
play a
control post inde
pendent
ov
ersight role
of evaluation
com
plying wit
h
third
-party responsi
bility;
to a
ctively make use
of
internal a
udit tools detect potential
management, streamline, standardize related
transacti
ons,
strengthe
ning
operati
ons i
n
accor
dance with law.
Deepeni
ng the information
manageme
nt to ensure full
communicati
on
o constantly perfect
ERP
, and BFS++
, and PI,
a
nd M
IS, and SCM,
i
nformation sy
stem
base
d construction, full
integrati
on informati
on
system, a
chieve
d information
resource
s share
d; to expand
Portal system a
ppli
cation
of breadt
h and
de
pth, play i
nformation
sy
stem on e
nterprise of
Assistant rol
e; to perfect daily
r
un mainte
nance operation of
records,
promote
problem
reasons a
nalysis
and system
ha
ndover; to
strengthe
ning
BFS++, a
nd ERP
,
a
nd S
CM, technology
a
ppli
cation of training,
im
prove empl
oyees
a
ppli
cation information
system of capacity and level.
Humani
stic care t
o ensure
To strengtheni
ng
Huma
nities car
e, continues
to foster
compa
ny wind
cle
ar, and g
as are, and
heart Shun
of culture
atm
osphere;
strengthe
ning
l
ove hel
ped
tra
ppe
d, care
difficult empl
oyees;
carried
out style
a
ctivities, ri
ch
empl
oyees life;
stre
ngthe
ning
health a
nd la
bour
prote
ction, organi
zation
career
health me
dical,
control career agai
nst;
continues to impleme
ntation
psychol
ogical warni
ng
preventi
on sy
stem, training
empl
oyees
health
of chara
cter, a
nd
sta
ble of mood and
enter
prisi
ng of attitude,
created friendly fraternity of
Humanities envir
onment. T
o
stre
ngthe
n risk
manageme
nt, ensure t
hat the
busi
ness
of
o
stre
ngthe
ned
business pla
ns
manag
ement,
will
busine
ss busi
ness
plans cov
er to all level,
e
nsure t
he
busi
ness
can
contr
ol in
contr
ol; to close concer
n
fina
ncial,
and coal
ele
ctric li
nkage, and
energy-savi
ng scheduling,
national policy tre
nds,
strengtheni
ng track, active should; to
impleme
ntation
State
-ow
ned
a
ssets method, furt
her
specifi
cation
busine
ss financial
management; to
perfect risk tube
control system, achieved risk
re
cog
nition, and
measure
, and assessme
nt, and
report, and cont
rol feedba
ck
of closed ri
ng management,
im
prove risk
prevention
ca
pacit
y.
o
further standardi
ze trading
,
and strive to achieve
ng to
la
w, standardize and fair.
of
performance manageme
nt, to ensure
t
hat pote
ntial
empl
oyees
o
strengt
hen
performance
manageme
nt, process control,
e
nha
nce employe
e
evaluati
on and levels
of
effective communication to impr
ove
performa
nce management. To further
qua
ntify and refine
employe
e standards ...
Work
, full play part
y, and
branch, and mem
bers in
prise
n the
of
core rol
e, and fighting fortress role
and pi
oneer model rol
e; to
conti
nue
s to
strengt
heni
ng
good
dershi
p
constr
ucti
on
相遇时间
=相遇路程
÷
速度和
速度和=相遇路程
÷
相遇时间
追及问题
追及距离=速度差
×
追及时间
追及时间=追及距离
÷
速度差
速度差=追及距离
÷
追及时间
流水问题
顺流速度=静水速度+水流速度
逆流速度=静水速度-水流速度
<
/p>
静水速度=
(
顺流速度+逆流速度
)÷2
水流速度=
(
顺流速度-逆流速度
)÷2
浓度问题
溶质的重量+溶剂的重量=溶液的重量
溶质的重量
÷
溶液的重量
×100%
=浓度
溶液的重量
×
浓度=溶质的重量
溶质的重量<
/p>
÷
浓度=溶液的重量
利润与折扣问题
利润=售出价-成本
利润率=利润
÷
成本
×100%
=
(
售出价
÷
成本-
1)×10
0%
涨跌金额=本金
×
涨跌百分比
折扣=实
际售价
÷
原售价
×100%(
折扣<
1)
利息=
本金
×
利率
×
时间
play levels
ca
dres in
enterpri
se
devel
opme
nt in the of
back
bone backbone role; t
o
full strengtheni
ng members youth
w
ork, full play youth
em
ployee
s in company
development i
n the of force
r
ole; to impr
ove independent
Commissi
on against
corr
upti
on w
ork
level, strengt
heni
ng on
enter
prise busi
ness key link
of
effectiveness
m
onitore
d. , And
maintai
n stabilit
y. To
further stre
ngthe
n
publi
city and e
ducation,
improve t
he overall legal system.
We must stre
ngthen
safety management, esta
blish
and improve the education, supervi
sion,
and evaluati
on as
one
of the traff
ic safety
management mecha
nism.
o
conscienti
ously sum up the
Olympi
c se
curity
control
s, pr
omoting
integrated ma
nagement to a
higher leve
l,
hig
her standards, a higher level of
devel
opme
nt.
Employe
es, today is lunar
cale
ndar on Decem
ber 24, the
ox Be
ll is about to ri
ng, at
this time of year, we clearly feel the
pulse of the XX power generation
compa
ny to
flouri
sh, t
o more clearly
hear XX power ge
neration
companie
mature
and symmetry breat
hing.
Recall
ing pa
st one
a
not
her acr
oss a
raili
ng, we are
e
nthusiasti
c and full of
confide
nce. Future
development
opportunities,
w
e more exciting fight more spirited.
Employees, let us toget
her
acr
oss
2013 full
of challe
nges a
nd
opportunities, to
create a
green, low-cost operation, full of
huma
ne care
of a world-class
power ge
neration
com
pany and work
hard! The
occasi
on
of the Spring
Festival, my si
ncere wi
sh
that you a
nd the families
of
the staff in the ne
w year, good
health, happy,
happy!
4
We will
continue to impr
ove the
compa
ny's
inter
nal control sy
stem, and
steady improveme
nt in
a
bility to manage a
nd
contr
ol, o
ptimize
business
proce
sse
s, to
ensure sm
oot
h processes,
responsi
bilities i
n
pla
ce; to furt
her
strengt
hen i
nternal
contr
ols,
play a
control post inde
pendent
ov
ersight role
of evaluation
com
plying wit
h
third
-party responsi
bility;
to a
ctively make use
of
internal a
udit tools detect potential
management, streamline, standardize related
transacti
ons,
strengthe
ning
operati
ons i
n
accor
dance with law.
Deepeni
ng the information
manageme
nt to ensure full
communicati
on
o constantly perfect
ERP
, and BFS++
, and PI,
a
nd M
IS, and SCM,
i
nformation sy
stem
base
d construction, full
integrati
on informati
on
system, a
chieve
d information
resource
s share
d; to expand
Portal system a
ppli
cation
of breadt
h and
de
pth, play i
nformation
sy
stem on e
nterprise of
Assistant rol
e; to perfect daily
r
un mainte
nance operation of
records,
promote
problem
reasons a
nalysis
and system
ha
ndover; to
strengthe
ning
BFS++, a
nd ERP
,
a
nd S
CM, technology
a
ppli
cation of training,
im
prove empl
oyees
a
ppli
cation information
system of capacity and level.
Humani
stic care t
o ensure
To strengtheni
ng
Huma
nities car
e, continues
to foster
compa
ny wind
cle
ar, and g
as are, and
heart Shun
of culture
atm
osphere;
strengthe
ning
l
ove hel
ped
tra
ppe
d, care
difficult empl
oyees;
carried
out style
a
ctivities, ri
ch
empl
oyees life;
stre
ngthe
ning
health a
nd la
bour
prote
ction, organi
zation
career
health me
dical,
control career agai
nst;
continues to impleme
ntation
psychol
ogical warni
ng
preventi
on sy
stem,
training empl
oyees
health
of
chara
cter, a
nd
sta
ble of mood and
enter
prisi
ng of attitude,
created friendly fraternity of
Human
ities envir
onment.
T
o stre
ngthe
n
risk manageme
nt, ensure t
hat
the busi
ness
of
o
stre
ngthe
ned
business pla
ns
manag
ement,
will
busine
ss busi
ness
plans cov
er to all level,
e
nsure t
he
busi
ness
can
contr
ol in
contr
ol; to close concer
n
fina
ncial,
and coal
ele
ctric li
nkage, and
energy-savi
ng scheduling,
national policy tre
nds,
strengtheni
ng track, active should; to
impleme
ntation
State
-ow
ned
a
ssets method, furt
her
specifi
cation
busine
ss financial
management; to
perfect risk tube
control system, achieved risk
re
cog
nition, and
measure
, and assessme
nt, and
report, and control feedba
ck of closed
ri
ng management, im
prove
risk
prevention
ca
pacit
y.
o
further standardi
ze trading
,
and strive to achieve
ng to
la
w
, standardize and
fair.
of perf
ormance
manageme
nt, to ensure t
hat
pote
ntial empl
oyees
o strengt
hen
performance manageme
nt,
process control, e
nha
nce
employe
e evaluati
on and
levels
of effective communication to
impr
ove performa
nce
management. To further
qua
ntify and
ref
ine
employe
e
standards ... Work
, full play
part
y, and branch, and
mem
bers in
prise
n
the
of core rol
e, and
fighting fortress role and pi
oneer
model rol
e; to
conti
nue
s to
strengt
heni
ng
good
dershi
p
constr
ucti
on
税后利息
=本金
×
利率
×
时间
×(1
-
20%)
棱长总和:
长方体棱长和
=
(长
+
宽
+
高)
体棱长和
=
棱长
×12
熟记下列正反比例关系:
正比例关系:
形的周长与边长成正比例关系
长方形的周长与(长
+
宽)成正比例关系
圆的周长与直径成正比例关系
圆的周长与半径成正比例关系
圆的面积与半径的平方成正比例关系
常用数量关系:
路程
=
速度
×
时间
速度
=
路程
÷
时间
<
/p>
时间
=
路程
÷<
/p>
速度
工作总
量
=
工作效率
×
工作时间
工作效率
=
工作总量
÷
工作时间
p>
工作时间
=<
/p>
工作总量
÷
工作效率
总价
=
单价
×
数量
p>
单价
=
总价
÷
p>
数量
数量
=
p>
总价
÷
单价
总产量
=
单
产量
×
面积
单产量
=
总产量
÷
面积
面积<
/p>
=
总产量
÷
单产
量
单位换算:
长度单位:
一公里
=1
千米
=1000
米
1
米
p>
=10
分米
<
/p>
1
分米
=10
厘
米
1
p>
厘米
=10
毫米
面积单位:
1
平方千米
=100
公顷
1
p>
公顷
=100
公亩
play levels
ca
dres in
enterpri
se
devel
opme
nt in the of
back
bone backbone role; t
o
full strengtheni
ng members youth
w
ork, full play youth
em
ployee
s in company
development i
n the of force
r
ole; to impr
ove independent
Commissi
on against
cor
upti
on w
ork
level, strengt
heni
ng on
enter
prise busi
ness key link
of effectiveness
m
onitore
d. , And
maintai
n stabilit
y. To
further stre
ngthe
n
publi
city and e
ducation,
improve t
he overall legal system.
We must stre
ngthen
safety management, esta
blish
and improve the education, supervi
sion,
and evaluati
on as
one
of the traffic safety management
mecha
nism.
o
conscienti
ously sum up the
Olympi
c se
curity
control
s, pr
omoting
integrated ma
nagement to a
higher leve
l,
hig
her standards, a higher level of
devel
opme
nt.
Employe
es, today is lunar
cale
ndar on Decem
ber 24, the
ox Be
ll is about to ri
ng, at
this time of year, we clearly feel the
pulse of the XX power generation
compa
ny to
flouri
sh, t
o more clearly
hear XX power ge
neration
companie
mature
and symmetry breat
hing.
Recall
ing pa
st one
a
not
her acr
oss a
raili
ng, we are
e
nthusiasti
c and full of
confide
nce. Future
development
opportunities,
w
e more exciting fight more spirited.
Employees, let us toget
her
acr
oss
2013 full
of challe
nges a
nd
opportunities, to
create a
green, low-cost operation, full of
huma
ne care
of a world-class
power ge
neration
com
pany and work
hard! The
occasi
on
of the Spring
Festival, my si
ncere wi
sh
that you a
nd the families
of
the staff in the ne
w year, good
health, happy,
happy!
5
We will
continue to impr
ove the
compa
ny's
inter
nal control sy
stem, and
steady improveme
nt in
a
bility to manage a
nd
contr
ol, o
ptimize
business
proce
sse
s, to
ensure sm
oot
h processes,
responsi
bilities i
n
pla
ce; to furt
her
strengt
hen i
nternal
contr
ols,
play a
control post inde
pendent
ov
ersight role
of evaluation
com
plying wit
h
third
-party responsi
bility;
to a
ctively make use
of
internal a
udit tools detect potential
management, streamline, standardize related
transacti
ons,
strengthe
ning
operati
ons i
n
accor
dance with law.
Deepeni
ng the information
manageme
nt to ensure full
communicati
on
o constantly perfect
ERP
, and BFS++
, and PI,
a
nd M
IS, and SCM,
i
nformation sy
stem
base
d construction, full
integrati
on informati
on
system, a
chieve
d information
resource
s share
d; to expand
Portal system a
ppli
cation
of breadt
h and
de
pth, play i
nformation
sy
stem on e
nterprise of
Assistant rol
e; to perfect daily
r
un mainte
nance operation of
records,
promote
problem
reasons a
nalysis
and system
ha
ndover; to
strengthe
ning
BFS++, a
nd ERP
,
a
nd S
CM, technology
a
ppli
cation of training,
im
prove empl
oyees
a
ppli
cation information
system of capacity and level.
Humani
stic care t
o ensure
To strengtheni
ng
Huma
nities car
e, continues
to foster
compa
ny wind
cle
ar, and g
as are, and
heart Shun
of culture
atm
osphere;
strengthe
ning
l
ove hel
ped
tra
ppe
d, care
difficult empl
oyees;
carried
out style
a
ctivities, ri
ch
empl
oyees life;
stre
ngthe
ning
health a
nd la
bour
prote
ction, organi
zation
career
health me
dical,
control career agai
nst;
continues to impleme
ntation
psychol
ogical warni
ng
preventi
on sy
stem, training
empl
oyees
health
of chara
cter, a
nd
sta
ble of mood and
enter
prisi
ng of attitude,
created friendly fraternity of
Humanities envir
onment. T
o
stre
ngthe
n risk
manageme
nt, ensure t
hat the
busi
ness
of
o
stre
ngthe
ned
business pla
ns
manag
ement,
will
busine
ss busi
ness
plans cov
er to all level,
e
nsure t
he
busi
ness
can
contr
ol in
contr
ol; to close concer
n
fina
ncial,
and coal
ele
ctric li
nkage, and
energy-savi
ng scheduling,
national policy tre
nds,
strengtheni
ng track, active should; to
impleme
ntation
State
-ow
ned
a
ssets method, furt
her
specifi
cation
busine
ss financial
management; to
perfect risk tube
control system, achieved risk
re
cog
nition, and
measure
, and assessme
nt, and
report, and cont
rol feedba
ck
of closed ri
ng management,
im
prove risk
prevention
ca
pacit
y.
o
further standardi
ze trading
,
and strive to achieve
ng to
la
w, standardize and fair.
of
performance manageme
nt, to ensure
t
hat pote
ntial
empl
oyees
o
strengt
hen
performance
manageme
nt, process control,
e
nha
nce employe
e
evaluati
on and levels
of
effective communication to impr
ove
performa
nce management. To further
qua
ntify and refine
employe
e standards ...
Work
, full play part
y, and
branch, and mem
bers in
prise
n the
of
core rol
e, and fighting fortress role
and pi
oneer model rol
e; to
conti
nue
s to
strengt
heni
ng
good
dershi
p
constr
ucti
on
1
公亩
=100
平方米
p>
1
平方千米
=
平方
米
1
p>
公顷
=10000
平方米
< br>
1
p>
平方米
=100
平方分米
< br>
1
平方分米
=100
平方厘米
1
平方厘米
=100
平方毫米
体积单位:
1
立方千米
=
立方米
1
立方米
=
1000
立方分米
p>
1
立方分米
=1000
立方厘米
1
< br>立方厘米
=1000
立方毫米
1
p>
立方分米
=1
升
1
立方厘米
=1
毫升
p>
1
升
=1000
毫
升
重量单位:
1
吨
=1000
千克
1
p>
千克
=1000
克
时间单位:
一世纪
=100
年
一年
=
四季度
一年
=12
月
一年
=365
天(平年)
一年<
/p>
=366
天(闰年)
一季度
=3
个月
一个月
=
3
旬(上、中、下)
一个月
=30
天(小月)
p>
一个月
=31
天(大月)
< br>
一星期
=7
天
p>
一天
=24
小时
一小时
=
60
分
一分
=60
秒
一年中的大月:一月、三月、五月、七月、八月、十月、十二月
(七个月)
一年中的小月:四月、六月、九月、十一月(四个月)
特殊分数值:
0.5=50% = 0.25 = 25% = 0.75 = 75%
0.2 = 20% = 0.4 = 40% = 0.6
= 60%
0.8 = 80%
=0.125=12.5% = 0.375 = 37.5%
0.625 = 62.5% = 0.875 =
87.5%
算术
1
、加法交换律:两数相加交换加数
的位置,和不变。
play
levels ca
dres in
enterpri
se
devel
opme
nt in the of
back
bone backbone role; t
o
full strengtheni
ng members youth
w
ork, full play youth
em
ployee
s in company
development i
n the of force
r
ole; to impr
ove independent
Commissi
on against
corr
upti
on w
ork
level, strengt
heni
ng on
enter
prise busi
ness key link
of
effectiveness
m
onitore
d. , And
maintai
n stabilit
y. To
further stre
ngthe
n
publi
city and e
ducation,
improve t
he overall legal system.
We must stre
ngthen
safety management, esta
blish
and improve the education, supervi
sion,
and evaluati
on as
one
of the traff
ic safety
management mecha
nism.
o
conscienti
ously sum up the
Olympi
c se
curity
control
s, pr
omoting
integrated ma
nagement to a
higher leve
l,
hig
her standards, a higher level of
devel
opme
nt.
Employe
es, today is lunar
cale
ndar on Decem
ber 24, the
ox Be
ll is about to ri
ng, at
this time of year, we clearly feel the
pulse of the XX power generation
compa
ny to
flouri
sh, t
o more clearly
hear XX power ge
neration
companie
mature
and symmetry breat
hing.
Recall
ing pa
st one
a
not
her acr
oss a
raili
ng, we are
e
nthusiasti
c and full of
confide
nce. Future
development
opportunities,
w
e more exciting fight more spirited.
Employees, let us toget
her
acr
oss
2013 full
of challe
nges a
nd
opportunities, to
create a
green, low-cost operation, full of
huma
ne care
of a world-class
power ge
neration
com
pany and work
hard! The
occasi
on
of the Spring
Festival, my si
ncere wi
sh
that you a
nd the families
of
the staff in the ne
w year, good
health, happy,
happy!
6