(a2b分之-c)3×(-a2分之c2)×(b分之ac的负一次方)的负四次方=
人气:494 ℃ 时间:2020-04-09 12:57:54
解答
=-c³/(a²b)³×(-c²/a²)×(1/bac)的负四次方
=c³/(a²b)³×(c²/a²)×(bac)的四次方
= c^9b/a^4
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