ab-(2ab-3a2b)
=ab-2ab+3a2b
=3a2b-ab.
故选C.
ab-(2ab-3a2b)的计算结果是( ) A.3a2b+3ab B.-3a2b-ab C.3a2b-ab D.-3a2b+3ab
ab-(2ab-3a2b)的计算结果是( )
A. 3a2b+3ab
B. -3a2b-ab
C. 3a2b-ab
D. -3a2b+3ab
A. 3a2b+3ab
B. -3a2b-ab
C. 3a2b-ab
D. -3a2b+3ab
数学人气:367 ℃时间:2020-03-23 04:01:36
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