m-1+m^2-9分之2m-6除以m+3分之2m+2等于

2025-06-26 01:17:34
推荐回答(1个)
回答1:

m-1+2m-6/m^2-9除以2m+2/m+3
=m-1+2m-6/m^2-9乘以m+3/2m+2
=m-1+2(m-3)/m-3乘以1/2(m-1)
=m-1+2乘以1/2(m-1)
=m-1+1/m-1
=m-1/m-1+1/m-1
=m/m-1