49是不是三的倍数,49的倍数分别是多少

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49是不是三的倍数,49的倍数分别是多少(1)

1.倍数表示法

a. 主语 谓语 倍数(或分数) as adj. as

I have three times as many as you.我有你三倍那么多。

b. 主语 谓语 倍数(分数) the size (amount,length…) of…

The earth is 49 times the size of the moon.地球是月球的49倍。

c. 主语 谓语 倍数(分数) 形容词(副词)比较级 than…

The grain output is 8 percent higher this year than that of last year.

d. 还可以用by 倍数,表示增加多少倍

The production of grain has been increased by four times this year.

49是不是三的倍数,49的倍数分别是多少(2)

2.分数表示法

构成:基数词代表分子,序数词代表分母。分子大于1时,分子的序数词用单数,分母序数词用复数:1/3 one-third ;3/37 three and three-sevenths

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