(-ab)³×(-a²b)×(-a²b四次方c)²有谁会,请告诉我!谢谢!
人气:368 ℃ 时间:2019-12-08 07:33:42
解答
解
(-ab)³×(-a²b)×(-a²b^4c)²
=-a³b³×(-a²b)×(a^4b^8c²)
=a^9×b^12×c²
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