化简求值(8m-5n)-(3m-n)/2
问题描述:
化简求值(8m-5n)-(3m-n)/2
答
8m-5n-3m/2+n/2
=13m/2-9n/2
化简求值(8m-5n)-(3m-n)/2
8m-5n-3m/2+n/2
=13m/2-9n/2