下面运算正确的是( )
A.2a+5b=7ab | B.6a3﹣3a2=3a |
C. | D.3a2b﹣3ba2=0 |
更新时间:2021-08-16 18:10:20
|
A.2a+5b=7ab | B.6a3﹣3a2=3a |
C. | D.3a2b﹣3ba2=0 |