一、【加法】“+”号 在英语里一般用这三个:①and ②plus③add -Seven and / plus eight makes fifteen. 7加8等于15。 -If you add ten to eight, you get eighteen.10加8等于18。 二、【减法】“—”号在英语里一般用这三个:① minus ②from ③take (away)(from) -Eight minus five is (leaves)three.8减 5等于3。/ 8减5余3。 *注:在减法里,“=”也可以用leaves, 同汉语里的“余” -4 from 20 leaves 16. 20减4余16。 -Ten take away four is six. 10减去4得6。 三、【乘法】“x” 号在英语里一般用这两个:① times ②multiplied by -Five times three is / equals fifteen. 5乘以3等于15。 -Five multiplied bytwo equals ten. 5乘以2等于10。 四、【除法】“÷”号在英语里一般用这两个:① divided by ② into -Twelve divided by four makes three. 12除以4等于3。 -Four into twelve is three. 12除以4等于3。 |
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