-3ab(2a²-a²b³-5)这道题怎么解答,

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/19 03:57:29
-3ab(2a²-a²b³-5)这道题怎么解答,-3ab(2a²-a²b³-5)这道题怎么解答,-3ab(2a²-a²b

-3ab(2a²-a²b³-5)这道题怎么解答,
-3ab(2a²-a²b³-5)这道题怎么解答,

-3ab(2a²-a²b³-5)这道题怎么解答,
-3ab(2a²-a²b³-5)
=﹣3ab*2a²-(﹣3ab)*a²b³-5*(﹣3ab)
=﹣6a³b+3a³b⁴+15ab

如图步骤