计算ab-(2ab-3a²b)的结果是()A.3a²b+3ab B.-3a²b-ab C.3a²b-ab D.-3a²+3ab

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计算ab-(2ab-3a²b)的结果是()A.3a²b+3ab   B.-3a²b-ab   C.3a²b-ab   D.-3a²+3ab

计算ab-(2ab-3a²b)的结果是()A.3a²b+3ab B.-3a²b-ab C.3a²b-ab D.-3a²+3ab
计算ab-(2ab-3a²b)的结果是()A.3a²b+3ab B.-3a²b-ab C.3a²b-ab D.-3a²+3ab

计算ab-(2ab-3a²b)的结果是()A.3a²b+3ab B.-3a²b-ab C.3a²b-ab D.-3a²+3ab
ab-﹙2ab-3a²b﹚
=ab-2ab+3a²b
=﹣ab+3a²b
∴ 答案是:C.

C。。。。。。。。。。。。。。。