[（a+b）²（a-b）²-3b²+3a²]÷（a²-b²）+1求化简,

来源：学生作业学帮网编辑：学帮网时间：2024/06/06 02:08:02

[（a+b）²（a-b）²-3b²+3a²]÷（a²-b²）+1
=[(a²-b²)²-3(a²-b²)]÷(a²-b²)+1
=a²-b²-3+1
=a²-b²-2