1/2a²+(1/2ab-1/2a²)+(1/2b²-1/2ba)化简

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/05 08:11:14

1/2a²+(1/2ab-1/2a²)+(1/2b²-1/2ba)化简

原式=(1/2a²-1/2a²)+(1/2ab-1/2ba)+1/2b²
=1/2b²