3a²b-[2ab²-6(ab-1/2a²b)+4ab]-2ab
来源：学生作业帮助网 编辑：六六作业网 时间：2025/02/02 07:50:45
3a²b-[2ab²-6(ab-1/2a²b)+4ab]-2ab3a²b-[2ab²-6(ab-1/2a²b)+4ab]-2ab3a
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