化简 (m²-1)÷(m+1)-(m²-m³)÷(m²-m)
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![化简 (m²-1)÷(m+1)-(m²-m³)÷(m²-m)](/uploads/image/z/2739467-11-7.jpg?t=%E5%8C%96%E7%AE%80+%28m%26%23178%3B-1%29%C3%B7%28m%2B1%29-%28m%26%23178%3B-m%26%23179%3B%29%C3%B7%28m%26%23178%3B-m%29)
化简 (m²-1)÷(m+1)-(m²-m³)÷(m²-m)
化简 (m²-1)÷(m+1)-(m²-m³)÷(m²-m)
化简 (m²-1)÷(m+1)-(m²-m³)÷(m²-m)
(m+1)(m-1)÷(m+1)-m²(1-m)÷m(m-1)
=(m-1)+m
=m-1+m
=2m-1
=(m+1)(m-1)÷(m+1)+m²(m-1)÷m(m-1)
=m-1+m
=2m-1
(m²-1)÷(m+1)-(m²-m³)÷(m²-m)
=(m-1)+m
=2m-1