(-2)的立方xa的6次方b的3次方+(-a的2次方b)的立方怎么算

2024-12-18 18:15:29
推荐回答(1个)
回答1:

说的是(-2)^3x(a^6)x(b^3)+(-a^2b)^3吧
=-8(a^6)x(b^3)-(a^6)x(b^3)
=-9(a^6)x(b^3)