问题:
当3≤m<5时,化简|2m-10|-|m-3|得
[ ]
A.13+m
B.13-3m
C.m-7
D.m-13
当3≤m<5时,化简|2m-10|-|m-3|得
B.13-3m
C.m-7
D.m-13
[ ]
A.13+m B.13-3m
C.m-7
D.m-13
参考答案: