化简6a²-2ab-2(3a²+ab)(要过程)
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化简6a²-2ab-2(3a²+ab)(要过程)
化简6a²-2ab-2(3a²+ab)(要过程)
化简6a²-2ab-2(3a²+ab)(要过程)
6a²-2ab-2(3a²+ab)(
=6a²-2ab-6a²-2ab
=-4ab
化简6a²-2ab-2(3a²+ab)(要过程)
化简6a²-2ab-2(3a²+ab)(要过程)
化简6a²-2ab-2(3a²+ab)(要过程)
6a²-2ab-2(3a²+ab)(
=6a²-2ab-6a²-2ab
=-4ab