英语加减法

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1+1=2 one plus oneis two 2/2=1 two divided by two is one 0 1*3=3 one multiply three is three 3-1=2 three minus one is two （摘自《魔法英语语法》）

一、加法



“加”用plus，and或add表示；“等于”用is，make，equal等词表示。 1 + 1 = ？可表示为：How much is one plus two? 1 + 2 = 3 可表示为：

One plus two is three.

One and two is equal to three. One and two make(s) three. One added to two equals three.

If we add one to / and to, we get three.

二、减法



“减”用minus或take from表示。

9 - 3 = ？可表示为：How much is nine minus three? 9 - 3 = 6 可表示为：

Nine minus three is six.

Take three from nine and the remainder is six. Three (taken) from nine is six.

三、乘法



“乘”可用time（动词）或multiply表示。

2 × 3 = ？可表示为：How much is two times three? 2 × 3 = 6 可表示为：

Two times three is six.

Multiply two by three, we get six. Two multipied by three makes six.

四、除法



“除”用divide的过去分词形式表示。

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15 ÷ 3 = ？可表示为：How much is fifteen divided by three? 15 ÷ 3 = 5 可表示为：

Fifteen divided by three is five.

Fifteen divided by three equals / gives / makes five.

五、其他算式的写法和读法



1：2 读作 the ratio of one to two

15：3 = 5 读作 The ratio of fifteen to three equals five. 3的平方 读作 three squared

2的立方 = 8 读作 Two cubed is eight.

X的四次方 = Y 读作 The fourth power of X is Y. 4开平方 = 2 读作 The square root of four is two. 8开立方 = 2 读作 The cubic root of eight is two.



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