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[多选题]
同学们做课间操,如果排成12行,则每行排30人。如果每行排20人,那么可以排几行()
A.18
B.50
C.8
D.15
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
18
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.18
B.50
C.8
D.15
18
A.9
B.10
C.11
D.12
学生在操场上列队做操,只知人数在90-110之间。如果排成3排则不多不少;排成5排则少2人;排成7排则少4人;则学生人数是多少?()
A.102
B.98
C.104
D.108
A.56
B.60
C.66
D.80
A.25
B.10
C.6
D.14
A.①③
B.②④
C.①②
D.③④