(-6a^n*b)*(3a^n-1*b)=

2025-06-28 20:47:35
推荐回答(2个)
回答1:

(-6a^n*b)*(3a^n-1*b)=-18a^2n-1*b²

回答2:

=-18a^(2n-1)*b^2,望采纳