计算:(2a3-a2)÷a2=______.3x3?(?19x2)=-13x5-13x5

计算:(2a3-a2)÷a2=______.3x3?(?19x2)=-13x5-13x5.
2024-11-19 20:38:18
推荐回答(1个)
回答1:

(2a3-a2)÷a2=2a-1;

3x3?(?

1
9
x2)=-
1
3
x5
故答案为2a-1;-
1
3
x5