(-2x²y^3)²×(xy)^3=(4x^4)(y^6)×(x^3)(y^3)=4(x^7)(y^9)不懂可追问,有帮助就采纳,谢谢!
解:(-2x²y³)²×(xy)³=4(x^4)(y^6)×x³y³=4(x^7)(y^9)
(-2x²y³)²×(xy)³=4x^4·y^6·x^3·y^3.=4x^7·y^9