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](/uploads/image/z/1268142-6-2.jpg?t=%E8%AE%A1%E7%AE%97ab-%282ab-3a%26%23178%3Bb%29%E7%9A%84%E7%BB%93%E6%9E%9C%E6%98%AF%EF%BC%88%EF%BC%89A.3a%26%23178%3Bb%2B3ab+++B.-3a%26%23178%3Bb-ab+++C.3a%26%23178%3Bb-ab+++D.-3a%26%23178%3B%2B3ab)
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。。。。。。。。。。。。。。。