天津审计协会:一道数学题 急用

来源:百度文库 编辑:中科新闻网 时间:2024/05/11 19:07:52
计算:
(-2x^3)^2+(-3x^2)^3+(2x)^3*(-x)^3 (要步骤)

(-2x^3)^2+(-3x^2)^3+(2x)^3*(-x)^3
=(-2)^2X^6+(-3)^3X^6+2^3X^3*(-1)^3X^3
=4X^6-27X^6-8X^6
=-31X^6

(-2x^3)^2+(-3x^2)^3+(2x)^3*(-x)^3
=4x^6-27x^6-8x^6
=-31x^6

(-2x^3)^2+(-3x^2)^3+(2x)^3*(-x)^3
=(-2)^2X^6+(-3)^3X^6+2^3X^3*(-1)^3X^3
=4X^6-27X^6-8X^6
=-31X^6

(-2x^3)^2+(-3x^2)^3+(2x)^3*(-x)^3
=(-2)^2X^6+(-3)^3X^6+2^3X^3*(-1)^3X^3
=4X^6-27X^6-8X^6
=-31X^6

(-2x^3)^2+(-3x^2)^3+(2x)^3*(-x)^3
=4x^6+(-27x^6)+8x^3*(-x^3)
=4x^6-27x^6-8x^6
=-31x^6