化简:2a(a-b)-2a²+3ab
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化简:2a(a-b)-2a²+3ab化简:2a(a-b)-2a²+3ab化简:2a(a-b)-2a²+3ab2a(a-b)-2a²+3ab=2a²-2
化简:2a(a-b)-2a²+3ab
化简:
2a(a-b)-2a²+3ab
化简:2a(a-b)-2a²+3ab
2a(a-b)-2a²+3ab
=2a²-2ab-2a²+3ab
=ab
这么简单都不会?现在的小孩啊!
=2a^2-2ab-2a^2+3ab=ab
=2a²-2ab-2a²+3ab
=ab
2a(a-b)-2a²+3ab =2a²-2ab-2a²+3ab=ab
2a(a-b)-2a^2+3ab=2a^2-2ab-2a^2+3ab=ab
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