六年级计算专题练习500道
中国民用航空学院-
六年级数学下册计算专项练习
一、递等式计算
,能简算的要简算,
解方程或解比例。
70+70
×
25
%
(
1
-
20
%)×
30
%
p>
80
÷(
1
-
84
%)
8
5
6
7
p>
1
3
3
1
7
3
x
-
x
= 10
5.6
+
4
x
= 8
10
10
3
4
2
5
9
10
1.3
×
35
%+
8.7
×
35
%
15
×〔
÷
(
9
–
)
〕
15
+
5<
/p>
÷
(
8
-
8
)
2.5
x
-
1.1
= 0.9
+
x
=
p>
8
1
7
3
2
5
8
7
5
9
8
1
< br>2
3
÷
+
×
÷
[
(
+
)÷
]
÷
-
p>
×
6
7.8
x
+ 3.2
x
= 12.1
X
-
X =
17
5
7
17
9
2
3
4
p>
15
6
15
4
p>
3
6
(<
/p>
3
2
9
8
16
2
4
2
5
1
15
3
2
(
1
-
+
)
28
< br>
0.9
x
÷
5= 1.8
+
x
=
+
)×
+
p>
(
)
4
5
10
4
7
8
17<
/p>
9
17
3
5
p>
3
3
1
4
3
1
3
1
3
3060
÷
15
-
2.5
×
36 0.16
+
4
÷(
-
)
1.7
+
3.98
+
5
7X
÷
=
1-
X=
2
5<
/p>
5
5
8
p>
4
10
3
4
9
1
3
4.8
×
3.9
+
6.1<
/p>
×
4
80
÷
(
1
-
84
%)
1.3
×
35
%+
8.7
×
35
%
< br>
-
x
=
4X
÷
2=
4
5
4
4
p>
8
1
3
3
7
2
3
7
3
70
+
70
×
25
%
5
p>
-
5
×
+
[
—(
-
)
]
÷
x
-
x
=
10
5.6
+
4
x
= 8
2
4
5
10
1
0
10
5
5
7
11
2
5
8<
/p>
3
1
÷
+
×
6.3
×
60%+40%
p>
×
6
120
×
(1 -
+ 20%)
2.5
x
-
1.1
= 0.9
5x-5
×
25%=
<
/p>
10
4
9
5
p>
9
11
5
3
3
5
4
260
÷(
50%
÷
+1
)
32
×
25%
×
125%
7
-(
1
-<
/p>
)
1
—
p>
20%x
=
0.4
1
÷
p>
x
5
8
8
9
1
6
< br>
2
5
3
2
9
+
1.35
÷
6
6.24
÷
0.6
-
1.6
×
0.25%
60<
/p>
×
25%
+
40
×
25%
0.9
x
÷
5= 1.8
+
x
=
4
5
10
6<
/p>
7
7
3
(
1
p>
-
20%
)×
30
%
8
0
÷(
1
-
8
4%
)
1.3
×
+
8.7
×
35%
7.8
x
+ 3.2
x
= 12.1
x
-
x
=
10
20
10
10
135%
×
3060
÷
15
-
2.5
×
1.04
5
×
3
+
15
÷
p>
0.16
+
4
÷<
/p>
(
-
)
5.6
+
4
x
= 8
2.5
x
-
1.1
= 0.9
9
8
8
7
2
1
4
1
3
1
4<
/p>
1
3
19
14<
/p>
4
3
1
1
2
1
3
-
[
-
(
+
)]
÷
[(
+
)
÷
]
57.5-4.25-15.75
7
x
÷
=
1-
x
=
<
/p>
7
5
5
7
5
5
3
9
2
5
5
5
125×32
<
/p>
5
7
7
3
3
2
5
×16.31
-2.31
÷
6760÷13+17×25
x
:
=
x
-
x
=
7
5
12
<
/p>
14
4
3
6
p>
4.82-
5.2÷0.8×0.6
35÷
1
7
2
9
1
3
p>
×1
-
(
54+
)÷
9
50%
x
—
x
=10 <
/p>
2
4
8
7
13
4
4
5
1
3
-
)×
3] 9.25
×
9.9+92.5%
5
p>
6
121
p>
14
<
/p>
6
3
4
1
3
4
4.65+6.39+5.35
44.08
-
44.08
÷
5.8
+
+
÷
4
8
.
5
p>
3
10
5
7
x
–
2.6 = 2.3
4
7
7
105
×
13-1890
÷
18
36
÷
[
(
7.5
×
(
2
< br>3
8
7
15
2
+
7.5
÷
[
-(
-
)
]
×
125
-
p>
25
×
6
÷
30
4.8
x
÷
2 = 1.2
0.8
x
- 0.4 = 1.2
3
4
15
12
5
14
2
2
5<
/p>
25
17
51
+
)
×
45
1.8
+
4.3
+
0.7
+
4.2 8.3
×
9.9
+
8.3
×
0.1
÷
X
=
X
=
3
1
5
9
36
39
26
1
5
7
8
25
×
16
×
50
×
0.13
+
0.45
÷
0.9
-<
/p>
6.17
×
3.4
+
3.4
×
3.83
X
+
X
=
x
+
0.5
x
= 30
< br>2
8
9
27
1
.
8
9
1
3
5
3
2
3
5
1
3
2
7
.
2
(
-
)
×
42
(
+
p>
)×
29
×
23
÷
[
÷
(
-
)
-
x
=
=
<
/p>
6
7
29
23<
/p>
6
6
4
3
x
4
4
8
0
.
8
4
2
1
9
231
3
÷
[(
+
)
×
231
÷
2
31
8470
-
104
p>
×
65
x
+
x
=
20
2.4
x
-
10 = 6.8
25
5
3<
/p>
11
232
5
1
1
7
3
16
8.1
÷(
4.3
×
< br>2
-
0.4
)
< br>
3.64
÷
4
+
4.36
×
0.25
(
-
)×
4
×
9
x
-
x
=
10
1.25
:
0.25=x
:
1.6
9
12
10
10
1
3
1
3
3
1.3
-
3.79
+
9.7
-
6.21
9.4
×
+
0.25
×
÷
[1
÷<
/p>
(
-
)]
5.4-2x =3.6
3.2x-
4×3=52
4
5
6
5
10
(
7
5
4
3
3
1
+
-
)
×
30
×
2
×(
-
÷
2
)
5
030
×
80
÷(
139
-
99
)
< br> x
∶
1.2=3
∶
p>
4
X
+
40%X=98
10
6
5<
/p>
14
4
10
1
1
7
9
1
1
4
4
)
÷
×
÷
[(
-
)
×
]
X
-
65%X=70
+
80%X=1
20
4
9<
/p>
5
2
3
15
p>
5
4
11
4
2
5
9
< br>4
.
5
3
.
2
-
1
)
÷
(
+
)
×
=0.5
=
7
14
7
3
6
x
p>
X
2
6.9
-
(0.4
+
12
< br>×
0.25) (0.55
-
2506
-
10517
÷
13
+
14
×
106 [0.8
+
0.75
×
(0.65
-
0.25)]
p>
÷
0.01(4
1
1
3
5
1
5
-
p>
2
÷
(3
×
)
÷
0.
75
+
1.32
1.7
+
5
+
3.98
17.625
-
(4.4
+
7
)
120%X
-
X=0.8
40%X
-
20=140
50
8
3
5
9
3
3
3
< br>3.35
×
6.47
×
2
+
6.7
×
3.6
6
÷
-
÷
6
(10000
-
0.16
×
1900)
÷
96
X+80%X=54
:
X=3:16
5
5
4
3
8
5
3
9
4.
5
×
[
÷
(
-
)]
10.
15
-
6.25
-
3.75
+
7.85 6.48
÷[(
3.3
-
2.7
)×
0.9
]
=
X +31= 100
8
9
6
p>
4
x
0.8
3
p>
5
7
13
13
p>
10
×(
+
1
p>
÷
)
×
+
÷
8
10.15
-
6.25
-
3.75
+
7.85
< br>9×
X
=0.3×4
2X
+
3
×<
/p>
0.9=24.7
13
4
6
8
9
9
6.48
÷[(
3.3
-
2.7
)×
0.9
]
10
3
5
7
13
1
3
7
1
×(
+
1
÷
)
×
+
÷
8
0.3
:
x=17
:
51
x
:
3=
8
:
4
13
4
6<
/p>
8
9
9
5
3
2
3
7
12
13
1
2
1
3
+
÷
73
÷
-<
/p>
37
×
1
÷(<
/p>
15
-
-
)
p>
6
:
5
=
2
:
2x
4
:
x=
3
:
12
8
8
3
7
3
p>
5
5
3
7
1
3
5
3
2
3
7
3
< br>1.3
÷[(
+
)×
]
+
÷
p>
73
÷
-
37
p>
×
8
:
x =
5
%:
0.6
18
=
x
:
3.6
5
9
3
2
8<
/p>
8
3
7
3
1
÷(
15
-
7
5
5
13
12
13
3
7
1
3
3
3
-
)
÷[(
+
)×
]
×
+
÷
:0.5
=
16:
χ
:
χ
=3
:
24
13
6
6
p>
6
4
5
5
5
9
3
2
8
5
3
2
< br>5
7
4
3
1
1
1
1
3
1
×
[(
-
)
÷
]
-
+
×
0.25
×
0.07
< br>×
8
p>
:
χ
=
:
5
:
χ
p>
=
:
14
4
5
4
8
5
8
3
15
12
2
10
3
1
1
+
)÷
4
]
6.8
×
10.
7-0.7
×
6.8
560
÷
14
-
2.5
×
2.4
120
%χ-χ=
0.8 49<
/p>
+
40
%χ=
8
9
6
3
3
2
4
3
5<
/p>
1
1
1
-
+
-
×
-
÷
13
43
×
99
χ
p>
:1000
=
8:
χ
=
12
:3
1
00000
7
5
7
5
12
13
4
1
3
1
56
×
201 3.5
×
98+
35
×
0.2 3.35
×<
/p>
99
×
2+6.7
x
x
χ-
65
%χ=
70
4
8
3
1
÷[
(
13
+
13
×
(
2
-
3
)
5
×
12-
5
÷
12
1
÷
[
10
×(
1-
7
)
]
X
÷
0.16= 20 X-2.4 = 9.8
5
1
1
p>
1
8
÷
[
(
3
-
8
)÷
24
]
6.3
×
60%+40%
×
6
3
120
×
(1 -
1
+ 20%) 150%X-90%X=2.4
20%X-4.5
×
1
=2.1
10
4
5
1
12
5
1
3
3
1<
/p>
7
4
5
9
1
4
5
1
260
÷(
50%
÷
p>
+1
)
32
< br>×
25%
×
125%
6
÷(
1
-<
/p>
20
)×
5
(
1-15%-40%X
)
= 360 60%X -
=
5
9
3
2
p>
6
5
9
3
1
24
16
1
15
5
×
11
+
40%
×
11
16
÷(
8
+
16
)
(
19
+
17
)×
8
+
17
χ
+
40%
χ
=
98
χ
-
6
5%
χ
=
70
80
%
×
0.25-60%
÷
4 1
.2
×
85
+
16
×
4
6
4
-
120%
4.<
/p>
8
×
3.9
+<
/p>
6.1
×
4
+
80%
χ
=
1 120
χ
-
χ
=
0.8
5
5
5
3
5
2
4
3
3
2
1
24
×(
+
-
)
[
×
(
-0.25)+
]
÷
0.5 0.374
×
48+0.62
×
37.4-3.74
2X
+
3
×
0.9 = 24.7
X
-
X=
3
3
4
6
p>
3
7
5
10
5
5
7
6
3
1
3
1
2012
1
24
13
13
12x
+
7
×
0.3=20.1
1
x
+
p>
2
x=
5
0.125
×
+
×
8.25+12.5%
2012
÷
2012
+
12
4
8
2013
2014
2
3
6
2
4
5
1
3
7.8
32
< br>
1
5
3.6
1
1
2
3
0.
2<
/p>
25
3
p>
0.4
p>
8
X:42=
5
:10
4
÷
x=0.8
7
5
7
3
10
7
25
3<
/p>
1
1
3
1
1
3
3
1
2
(
+
p>
)
×
15
×
17
(
9
.
6
10
1
.
25
)
(
1
0
.
75
)
x
+
5
×
4=95 x
-
x
-
4=18
(
1
p>
1
)
15
17
5
6
3
4
2
3
4
5.66
×
7.28
p>
-
3.16
×
3.
16
-
3.16
×
4.12
2012
×
0.875+201.2
×
1.25
1
.
8
3.5
x
1
1
< br>1
1
7
.
2
=
=
<
/p>
1.4
0.2
x
1
2
2
3
3
4
99
100
0
.
8
(
3
4
3
120
2005
1
1
1
1
-
X
=
=
)×
24
p>
2.5
×
0.875+0.25
×
1.25
p>
2007
×
4
7<
/p>
8
X
3
4
24
2006
1
4<
/p>
16
8
11
3<
/p>
4
5
10
13<
/p>
14
1
1
1
0.25
+
6
p>
÷
+
÷
×
2X
< br>+
3
×
7
=
53
―
X
―
X
=
15
4
6
3
5
p>
5
75
25
15<
/p>
4
15
12
9<
/p>
8
1
2
3
1
1
2
5
1
5
5
p>
2.3
×
1.5
+
4.5
÷
0.75
+
÷
+
x
=
0.5 0.36
×
p>
5
-
0.75x
=
0.6
3
2
5
6
7
p>
7
7
14
6
42
1
1
3
7
2
1
3
1
3
< br>3
1
10
1
)
÷
(1
-
)
÷
[
×
(
+
)]
×
+
×
X
+
X
=
52
∶
X
=
25%
∶
4
< br>7
20
3
3
5
11
5
3
5
4
5
4
(1
+