数学运算英语表示
-
英语加减乘除表达
1.
加减乘除公式
⑴
A+
B
=
C A plusB
equals/is C
20
+
5<
/p>
=
25 Twenty plus 5 equals/is
twenty-five.
⑵
A-
B
=
C A minusB
equals/is C
20
-
5<
/p>
=
15 Twenty minus 5 equals/is
fifteen.
⑶ A×B=
C A
multiplied byB equals/is C
20×5=
100 Twenty multiplied
by 5 equals/is one hundred.
⑷
A÷B=
C A divided byB equals/is C
20÷5=
4 Twenty divided by 5
equals/is four.
2.
加减乘除口语化的表达
⑴ Add twenty and five, we can get
twenty
-five.
⑵ Subtract five
from twenty, we can get fifteen.
⑶ Multiply twenty by five, we can get
one hundred.
⑷ Divide twenty
by
five, we can four.
3.
用
how
much
对加减乘除进行提问
⑴Twenty minus five equals
fifteen.
How much
does
twenty minus five
equal
?
⑵Twenty
minus five is
fifteen.
How
much
is
twenty minus five?
英语分数、小数及百分数的表达
1.
表达形式
⑴分数
①基本规则:子基母序(即:分子用基数词,分母用序数词)
1/3 one third 1/8 one eighth 1/12 one
twelfth
②当分子大于
1
时,
分母要加
s
变成复数。
2/3 two thirds 3/8 three eighths 5/12
five twelfths
③特殊的表达:
1/4
可以表示为
one
fourth
或者
a quarter
3/4
可以表示为
three
fourth
或者
three quarters
1/2 a half
⑵.小数
<
/p>
小数点前后的数均按基数词来读,小数点读成
point
,
小数点后的数字逐位读
出。
3.1415926 three point one four one five
nine two six
0.463 zero point four six
three
⑶.百分数
汉语中先读
百分号,再读数字;英语中恰恰相反:先念出数字,再加上百分号
percent
80% eighty percent
99.5%
ninety-nine point five percent