m减n分之m的平方加n减m分之n的平方,化简是多少

2026-05-19 12:35:30
推荐回答(1个)
回答1:

解;( m/(m-n)²+(n/(n-m)²
=m²/(m-n)²+n²/(n-m)²
=m²/(m-n)²+n²/(m-n)²
=(m²+n²)/ (m-n)²