(2a^2)^3*[-ab^2+(-1/4a^2b^2)^2]+1/2(a^2b)^2
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(2a^2)^3*[-ab^2+(-1/4a^2b^2)^2]+1/2(a^2b)^2
答:题目不会这样吧?没有化简的意思.
(2a^2)^3*[-ab^2+(-1/4a^2b^2)^2]+1/2(a^2b)^2
=(2a²)³×[-ab²+(-a²b²/4)²]+(a²b)²/2
=8(a^6)×(-ab²+(a^4)*(b^4)/16]+(a^4)b²/2
=-8(a^7)b²+(a^10)*(b^4)/2+(a^4)b²/2
再问: 下面应该还有步骤吧
再答: (2a^2)^3*[-ab^2+(-1/4a^2b^2)^2]+1/2(a^2b)^2 =(2a²)³×[-ab²+(-a²b²/4)²]+(a²b)²/2 =8(a^6)×(-ab²+(a^4)*(b^4)/16]+(a^4)b²/2 =-8(a^7)b²+(a^10)*(b^4)/2+(a^4)b²/2 =(1/2)*(a^4)b²(-a^3+a^6+1)
(2a^2)^3*[-ab^2+(-1/4a^2b^2)^2]+1/2(a^2b)^2
=(2a²)³×[-ab²+(-a²b²/4)²]+(a²b)²/2
=8(a^6)×(-ab²+(a^4)*(b^4)/16]+(a^4)b²/2
=-8(a^7)b²+(a^10)*(b^4)/2+(a^4)b²/2
再问: 下面应该还有步骤吧
再答: (2a^2)^3*[-ab^2+(-1/4a^2b^2)^2]+1/2(a^2b)^2 =(2a²)³×[-ab²+(-a²b²/4)²]+(a²b)²/2 =8(a^6)×(-ab²+(a^4)*(b^4)/16]+(a^4)b²/2 =-8(a^7)b²+(a^10)*(b^4)/2+(a^4)b²/2 =(1/2)*(a^4)b²(-a^3+a^6+1)
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