(-3a²b)³-8(a²)²·(-b)²·(-a²b)
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(-3a²b)³-8(a²)²·(-b)²·(-a²b)
![(-3a²b)³-8(a²)²·(-b)²·(-a²b)](/uploads/image/z/6408835-43-5.jpg?t=%EF%BC%88-3a%26%23178%3Bb%EF%BC%89%26%23179%3B-8%EF%BC%88a%26%23178%3B%EF%BC%89%26%23178%3B%C2%B7%EF%BC%88-b%EF%BC%89%26%23178%3B%C2%B7%EF%BC%88-a%26%23178%3Bb%EF%BC%89)
=-27 a^6 b^3 - 8 a^4 b^2 (-a^2 b)
=-27 a^6 b^3 + 8 a^6 b^3
=-19 a^6 b^3
=-27 a^6 b^3 + 8 a^6 b^3
=-19 a^6 b^3
2b²+(a+b)(a-b)-(a-b)²,其中a=-3
4a(a-b)+b²
(-3a²b)³-8(a²)²·(-b)²·(-a²b)
化简求值:[2a²-(a+b)(a-b)][(-a-b)·(-a+b)+2b²],其中a=-1,b=
(a+b)²+(a-b)²+(-2a-b)(a+2b)
【(a-b)4次方+3(b-a)³+2(b-a)²】/【½(a-b)】²
(1)2b²+(a+b)(a-b)-(a-b)²其中a=-3,b=1/2
(3a³b²)÷a²+b(a²b-3ab)
计算:[(a+b)(a-b)-(a+b)²]÷(a+b).过程
(a-b+ a+b分之b²) * a分之a+b
已知a.b满足b-a=-2014,求代数式【(a+b)(a-b)-(a-b)²-2b(b-a)】/(4b)的值
[15(a+b)³-9(a+b)²]/3(a+b)²