化简6a²-2ab-2(3a²+ab)(要过程)

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化简6a²-2ab-2(3a²+ab)(要过程)
x){3D5eCs k]$]# c(W;1I_oN"}5ِi~`%(j9i] K 1H[h

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