计算:(3x
2y-xy
2+
xy)÷(-
xy)=______.
人气:266 ℃ 时间:2019-10-29 13:51:58
解答
(3x
2y-xy
2+
xy)÷(-
xy),
=3x
2y÷(-
xy)+(-xy
2)÷(-
xy)+
xy÷(-
xy),
=-6x+2y-1.
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