 
- 精华
- 0
- 积分
- 5381
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- 5381 点
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- 金钱
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ZXS的解答:
god bless your perfect memory and wish you the best luck next month!
my answers as follows,open to discuss.
1,9Л/2-9
2,660
3,1/(2r+3)
4,3/8
5,13
6,10
7,a
8,1.5
9,d
10,k/m
11,e
12,c
13,19200
14,c
15,-1/2
16,b
17,a should be right
18,c
19,67
20,c
21,+3% |
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