化简：a²-2ab+b²/a²-b²+b/a+b

来源：学生作业帮助网编辑：作业帮时间：2024/11/07 21:26:34

化简：a²-2ab+b²/a²-b²+b/a+b
化简：a²-2ab+b²/a²-b²+b/a+b

化简：a²-2ab+b²/a²-b²+b/a+b
a²-2ab+b²/a²-b²+b/a+b
=(a²-2ab+b²)/(a²-b²)+b/(a+b)
=(a-b)²/[(a+b)(a-b)]+b/(a+b)
=(a-b)/(a+b)+b/(a+b)
=a/(a+b)

a²-2ab+b²/a²-b²+b/a+b
=(a-b）^2/(a+b）（a-b）+b/a+b
=（a-b）/（a+b）+b/a+b
=a/（a+b)