ohmybabyyiran 发表于 2015-9-22 21:35
数学答案是14?
好像是设n=30x+29 (5*6=30, 5a+4=6b+5=29)然后n=59, 所以14?
ohmybabyyiran 发表于 2015-9-22 21:35
数学答案是14?
好像是设n=30x+29 (5*6=30, 5a+4=6b+5=29)然后n=59, 所以14?
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