作业帮化简 3a²-[2ab-2(ab-3/2a²b)+ab]+4ab²
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/27 13:56:58
![化简 3a²-[2ab-2(ab-3/2a²b)+ab]+4ab²](/uploads/image/z/135293-5-3.jpg?t=%E5%8C%96%E7%AE%80+3a%26%23178%3B-%5B2ab-2%28ab-3%2F2a%26%23178%3Bb%29%2Bab%5D%2B4ab%26%23178%3B)
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化简 3a²-[2ab-2(ab-3/2a²b)+ab]+4ab²
化简 3a²-[2ab-2(ab-3/2a²b)+ab]+4ab²
化简 3a²-[2ab-2(ab-3/2a²b)+ab]+4ab²
原式=3a²-[2ab-2ab+3a²b+ab]+4ab²
=3a²-ab+3a²b+4ab²
=3a²b+3a²+4ab²-ab
3a²+3a²b-ab+4ab²