选择题:要使 30:(9﹣3x)有意义,x 不能是( )

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题目内容:

要使 30:(9﹣3x)有意义,x 不能是( )

A.0

B.1

C.2

D.3

参考答案:
答案解析:

把一个圆按 4:1 的比例放大后,它的面积会扩大到原来的八倍

把一个圆按 4:1 的比例放大后,它的面积会扩大到原来的八倍

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It is r hard outside. Take an umbrella with you.

It is r hard outside. Take an umbrella with you.

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参加数学竞赛的男生比女生多 28 人,女生全部获奖,男生有75% 获奖,男女生一共获奖 42 人,参加数学竞赛的男生有多少人?

参加数学竞赛的男生比女生多 28 人,女生全部获奖,男生有75% 获奖,男女生一共获奖 42 人,参加数学竞赛的男生有多少人?

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Mr. and Mrs. White and their 14-year-old son have to pay ________ for the concer

Mr. and Mrs. White and their 14-year-old son have to pay ________ for the concert.

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There was no sunlight in the farmers wood.

There was no sunlight in the farmers wood.

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