數(shù)詞之加減乘除


算術(shù)式的讀法：

※加法

1.在口語中的小數(shù)目的加法：用and代表“＋”號，is或are 代表“?

號。如：

Five and three is (or are) eight.

5 + 3 = 8

What＇s seven and eight?

7 + 8 = ?

2.大數(shù)目的加法，或在比較正式的場合──用plus代表“＋”號，

equals或is代表“?”號。如：

What does Two hundred and thirty-one plus a hundred and

sixty-three equal?

(or: What is Two hundred and thirty-one plus a hundred and

sixty-three?)

231 +163 = ?

※減法

1.在口語中的小數(shù)目的減法──可用以下兩種方式 ：

方法一：被減數(shù)＋take away＋減數(shù)＋leaves (or is) ＋余數(shù)

方法二：減數(shù)＋from＋被減數(shù)＋leaves (or is) ＋余數(shù)

Four from nine leaves (or is) five.

or: Nine take away four leaves (or is) five.

9 - 4 = 5.

2.大數(shù)目的減法或在比較正式的場合──用minus代表“－” 號，

equals代表“?”號。如：

Four hundred and thirty-one minus a hundred and sixty-three

equals two hundred and sixty-eight, right or wrong?

431 - 163 = 268

※乘法

1.口語中小數(shù)目的乘法──第二個數(shù)目用復(fù)數(shù)形，等號用are 表示。

如：

What are three tens?

3 &#x D7;10 = ?

Five eights are forty.

5 &#x D7;8 = 40

2.大數(shù)目的乘法用times代表“&#x D7;”號，is或makes代表“=”號；在比較

正式的場合用multiplied by代表“&#x D7;”號，equals代表“?”號。如：

What does fifteen times two hundred and sixty-nine make?

(or : What is fifteen times two hundred and sixty-nine?)

15 &#x D7;269 = ?

15 &#x D7;289 = 4335

15 multiplied by 289 equals 4335.

※除法

1.小數(shù)目的除法有兩種方式：

方法一：用divided by 代表“&#x F7;”號，equals代表“?”號。

方法二：除數(shù)＋into＋被除數(shù)＋goes＋余數(shù)──用于會話中。

Three into eighteen goes five.

or: Eighteen divided by three equals five.

18 &#x F7;3 = 5.

2.大數(shù)目的除法同方法一。

What does six hundred and sixty-seven divided by twenty-three

equal?

667 &#x F7;23 = ?