当3≤M<4时,化简|2m-8|-|m-3|=?︳

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当3≤M<4时,化简|2m-8|-|m-3|=?︳
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当3≤M<4时,化简|2m-8|-|m-3|=?︳
当3≤M<4时,化简|2m-8|-|m-3|=?︳

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