若AB大于0,求A分之A的绝对值+B的绝对值分之B+AB的绝对值分之AB的值?
人气:197 ℃ 时间:2019-08-20 00:46:03
解答
AB的绝对值分之AB=1 应为AB大于0然后,当A>0时,B>0 则A分之A的绝对值=1
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