幂的乘方与积的乘方.(-4xy^3)×(-xy)+(-3xy^2)^2 a^3×(-a)
问题描述：
幂的乘方与积的乘方.(-4xy^3)×(-xy)+(-3xy^2)^2 a^3×(-a)
幂的乘方与积的乘方.
(-4xy^3)×(-xy)+(-3xy^2)^2
a^3×(-a)^5×(-3a)^2×(-7ab^3)
2(x^3)^2×x^3-(3x^3)^3+(5x)^2×x^7
答
(-4xy^3)×(-xy)+(-3xy^2)^2=4x^2y^4+9x^2y^4=13x^2y^4a^3×(-a)^5×(-3a)^2×(-7ab^3)=a^3×a^5×9a^2×7ab^3=63a^11b^32(x^3)^2×x^3-(3x^3)^3+(5x)^2×x^7=2x^9-9x^9+25x^9=18x^9如果本题有什么不明白可以追问,...