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计算(-3ab^3c)^2(-a^2b)^3

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计算(-3ab^3c)^2(-a^2b)^3
-6a^2b(x-y)^3*1/3ab^2(y-x0
(-4x^2)(3x+1)
(-3/2x^2y-3xy^2+2)-2xy
(a+2b)(3a-4b)
(2x-3y)^2(2x+3y)^2
计算(-3ab^3c)^2(-a^2b)^3
(-3ab^3c)^2(-a^2b)^3
=9a²b^6 c²×(-a^6b³)
=-9a^8 ²b^9 c²
-6a^2b(x-y)^3*1/3ab^2(y-x)
=6*1/3*a²b(x-y)^3*ab^2(x-y)
=2a³b³(x-y)⁴
(-4x^2)(3x+1)
=(-4x^2)*3x+(-4x^2)*1
=-12x³-4x²
(-3/2x^2y-3xy^2+2)-2xy
=-3/2x²y-3xy²+2-2xy
(怀疑本题抄错了,否则太简单了,去括号即可)
(a+2b)(3a-4b)
=3a²-4ab+6ab-8b²
=3a²+2ab-8b²
(2x-3y)^2(2x+3y)^2
=[(2x-3y)(2x+3y)]²
=(4x²-9y²)²
=16x⁴-72x²y²+81y⁴