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计算:12分之5*【-3分之4(x-y)³】*(x+y)²*(-x-y)³*6分之5(y-x)²
人气:486 ℃ 时间:2020-01-27 21:47:00
解答
12分之5*【-3分之4(x-y)³】*(x+y)²*(-x-y)³*6分之5(y-x)²=-9分之5(x-y)³(x+y)²*(-x-y)³*6分之5(y-x)²=-9分之5(x-y)³(x+y)²*[-(x+y)³...
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