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化简:2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b
人气:490 ℃ 时间:2020-04-28 21:01:03
解答
2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b =2a^2b-3ab^2-2ab^2+3ab^3+(1/2a^3b-0.5a^3b )=2a^2b-3ab^2-2ab^2+3ab^3=2a^2b+3ab^3-(3ab^2+2ab^2)=2a^2b+3ab^3-5ab^2
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