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几个多项式相乘
请问:(a-b)²(b-a)³(a-b)³=
(a-b)的2n次方(b-a)³=
(-x+y)(x-y)²(y-x)³=
还有:(-2x²)(-3x²y³z)=
(-ab³c²)²×(-a²b)³=
人气:479 ℃ 时间:2020-05-11 17:50:01
解答
(a-b)²(b-a)³(a-b)³=-(a-b)^8
(a-b)的2n次方(b-a)³=(a-b)^(2n-3)
(-x+y)(x-y)²(y-x)³=(y-x)^6
(-2x²)(-3x²y³z)=6x^4y^3z
(-ab³c²)²×(-a²b)³=-a^8b^9c^4
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