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问题 填空题
3.24扩大到它的100倍是______；缩小到原来的
1
10
是______．
答案

3.24扩大到它的100倍是324；缩小到原来的

1
10
是0.324；

故答案为：324，0.324．

解答题
口算．
12×4=		15×3=8×7-20=23×6=
42×5=50+3×9=17×3=68×4=
100+6×6=
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选择题

—I think English is ______ than math.

—Why do you think ______? [ ]

A. much easier; that

B. much more easy; so

C. much easier; so

D. more easier; that

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