三年级英语加减法读法

算术式的读法:

2+3=5 Two plus three is(equals，is equal to)five.

5-3=2 Five minus three is equal to two.

3×2=6 Three times two is Three by two are six.

9÷3=3 Nine divided by three makes three

一．加法一般用and减法一般用from/minus乘法一般用time或者不用其他助词除法一般用into。

例如：

2+3=5读作：Two and three are five

4-1=3读作：One from four leaves three/Four minus one leaves three

4x5=20读作：Four times five is twenty或Four fives are twenty

30÷6=5读作：Six into thirty goes five

二．英语中<比例、乘方与开方>的读法:

5:4读作：the ratio of five to four

“the ratio of”译为“比”，在比例中代表“：”

15:3=5读作：The ratio of fifteen to three equals five

该句中的“比”用的还是“the ratio of”，等号换成了“equal”的三单形式。）

5^读作：five squared

数学中“平方”的表达是squared）

3=27读作：Three cubed is twenty-seven

数学中“立方”的表达为cubed，等号用的是三单的be

X四次方=Y读作：The fourth power of X is Y