作业帮3a²b-[2ab²-6(ab-1/2a²b)+4ab]-2ab
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/01 06:03:23
![3a²b-[2ab²-6(ab-1/2a²b)+4ab]-2ab](/uploads/image/z/3818332-28-2.jpg?t=3a%26%23178%3Bb-%5B2ab%26%23178%3B-6%28ab-1%2F2a%26%23178%3Bb%29%2B4ab%5D-2ab)
3a²b-[2ab²-6(ab-1/2a²b)+4ab]-2ab
3a²b-[2ab²-6(ab-1/2a²b)+4ab]-2ab
3a²b-[2ab²-6(ab-1/2a²b)+4ab]-2ab
3a²b-[2ab²-6(ab-1/2a²b)+4ab]-2ab=3a²b-2ab²+6(ab-1/2a²b)-4ab-2ab=3a²b-2ab²+6ab-3a²b-4ab-2ab=-2ab²
-2ab²
3(a²b-1/a²b)-2ab²