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2(a^2b^3c)^2÷(-4a^3b^4c)
人气:383 ℃ 时间:2020-05-07 14:44:25
解答
2(a^2b^3c)^2÷(-4a^3b^4c)
=2a^4b^6c²÷(-4a^3b^4c)
=-½ab²c
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