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问题 填空题
3
5
12
化为假分数是______；2.125化为分数是______．
答案

（1）3

5
12
=
12×3+5
12
=
41
12
；

（2）2.125=2

125
1000
=2
1
8
；

故答案为：

41
12
，2
1
8
．

选择题

The children went home from the grammar school, their lessons________ for the day.                    [ ]

A. finishing                          

B. finished

C. had finished                      

D. were finished
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填空题

需要用到组播功能，需要使用F820终端，要求升级到（）版本。
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