当3≤M<4时,化简|2m-8|-|m-3|=?︳
问题描述:
当3≤M<4时,化简|2m-8|-|m-3|=?︳
答
|2m-8|-|m-3|=8-2m-(m-3)
=11-3m
当3≤M<4时,化简|2m-8|-|m-3|=?︳
|2m-8|-|m-3|=8-2m-(m-3)
=11-3m