作业帮计算 [12(x+y)³(y-x)]³÷[4(x+y)²（x-y)]²
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/06 02:37:17
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计算 [12(x+y)³(y-x)]³÷[4(x+y)²（x-y)]²
计算 [12(x+y)³(y-x)]³÷[4(x+y)²（x-y)]²
计算 [12(x+y)³(y-x)]³÷[4(x+y)²（x-y)]²
[12(x+y)³(y-x)]³÷[4(x+y)²（x-y)]²
=【12×12×12÷(4×4)(x+y)^9 (y-x)^3】 ÷【(x+y)^4 (x-y)^2】
=【12×12×12÷(4×4)(x+y)^9 (y-x)^3】 ÷【(x+y)^4 (y-x)^2】
=108(x+y)^5 (y-x)
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Sjs=(Pjs2+Qjs2)1/2=(65.222+79.672)1/2