数学推理题:4,5,15,6,7,35,8,9 A 27 B15 C72 D 63
人气:442 ℃ 时间:2020-02-02 16:34:30
解答
4*5-15=5
6*7-35=7
则8*9-x=9
x=63
应选D
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