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一道数学计算题,要计算过程,
{12(x+y)^3(y-x)}^3÷{4(x+y)^2(x-y)}^2
人气:414 ℃ 时间:2020-06-20 07:55:22
解答
{12(x+y)^3(y-x)}^3÷{4(x+y)^2(x-y)}^2
=-[1728(x+y)^9(x-y)^9]÷[16(x+y)^4(x-y)^2]
=-108(x+y)^5(x-y)^7
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