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)^2a^3×(-a)^5×(-3a)^2×(-7ab^3)2(x^3)^2×x^3-(3x^3)^3+(5x)^2×x^7
来源：学生作业帮助网 编辑：六六作业网 时间：2024/05/05 23:55:55
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)^2a^3×(-a)^5×(-3a)^2×(-7ab^3)2(x^3)^2×x^3-(3x^3)^3+(5x)^2×x^7
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
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)^2a^3×(-a)^5×(-3a)^2×(-7ab^3)2(x^3)^2×x^3-(3x^3)^3+(5x)^2×x^7
(-4xy^3)×(-xy)+(-3xy^2)^2
=4x^2y^4+9x^2y^4
=13x^2y^4
a^3×(-a)^5×(-3a)^2×(-7ab^3)
=a^3×a^5×9a^2×7ab^3
=63a^11b^3
2(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,
(-4xy^3)×(-xy)+(-3xy^2)^2
=4x²y^4+9x²y^4
=13x²y^4
a^3×(-a)^5×(-3a)^2×(-7ab^3)
=-a^(3+5)×9a²×(-7ab^3)
=63a^11b^3
2(x^3)^2×x^3-(3x^3)^3+(5x)^2×x^7
=2(x^6)×x^3-(27x^9)+(25x^2)×x^7
=2x^(6+3)-27x^9+25x^(2+7)
=2x^9-27x^9+25x^9
=27x^9-27x^9
=0