43, how to do it? 55%? not 6/10?,
45. 导致方差不同 ==> D
44. agree on E
42. E
36. can be both.I try E.
30.agree .
27.agree on A
19.agree with you . E
3. A. but must say"都刚好放满" .
4、 集合题:参加股东会的人中62%为股东,47%为公司员工,问参加会议的是股东中不是员工的比例?
seems miss sth here
9.7种药选3种,有两种不能在一起多少个可能?(C73-C51=30)
C51 represent the possibility that both of the two medicine are chosen , that is , choose the other of the three from the left 5