a³-a²b+ab²+a²b-ab²+b³ 合并同类项

来源：学生作业学帮网编辑：学帮网时间：2024/06/25 16:01:50

a³-a²b+ab²+a²b-ab²+b³
=a³-a²b+a²b-ab²+ab²+b³
=a³-(a²b-a²b)-(ab²-ab²)+b³
= a^3+b^3

a³+b³

a^3+b^3