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(15m^3a^5-10m^2a^4-5m^2a^3)/(-5m^3a^3)
人气:175 ℃ 时间:2020-02-04 04:48:53
解答
(15m^3a^5-10m^2a^4-5m^2a^3)/(-5m^3a^3)=5a^3m²﹙3ma²-2a²-1﹚/(-5m^3a^3)=﹙3ma²-2a²-1﹚/﹙-m﹚=-﹙3ma²-2a²-1﹚/m
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