(-0.5a^3b)^5÷(-1/2a^3b^a)怎么做?

szx1234562022-10-04 11:39:541条回答

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呵呵_876 共回答了19个问题 | 采纳率78.9%
(-0.5a³b)^5÷(-1/2a³b^a)=﹙1/2﹚^5·a^15·b^5÷﹙1/2 a³b^a﹚
=1/16·a^12·b^﹙5-a﹚.
1年前

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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
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=2a^2b+3ab^3-5ab^2
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