计算(xy)^5/(xy)^3/(-xy)要过程!
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计算(xy)^5/(xy)^3/(-xy)要过程!计算(xy)^5/(xy)^3/(-xy)要过程!计算(xy)^5/(xy)^3/(-xy)要过程!(xy)^5/(xy)^3/(-xy)=-xy^(
计算(xy)^5/(xy)^3/(-xy)要过程!
计算(xy)^5/(xy)^3/(-xy)要过程!
计算(xy)^5/(xy)^3/(-xy)要过程!
(xy)^5/(xy)^3/(-xy)
= -xy^(5-3-1)
=-xy
如追加其它问题,采纳本题后点击想我求助,
原式=(xy)^5-3/(-xy)=(xy)^2/(-xy)=(-1)(xy)^2-1=-xy
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