作业帮{ab-[3a²b-(4a²b+1/2ab)]-4a²b}+3a²b
来源：学生作业帮助网 编辑：作业帮 时间：2024/10/04 21:37:20
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{ab-[3a²b-(4a²b+1/2ab)]-4a²b}+3a²b
{ab-[3a²b-(4a²b+1/2ab)]-4a²b}+3a²b
{ab-[3a²b-(4a²b+1/2ab)]-4a²b}+3a²b
