m>-2,m
问题描述:
m>-2,m
数学人气:405 ℃时间:2020-05-13 18:31:32
优质解答
因为m>-2,m所以m+2>0
1-m<0
lm+2l-l1-ml
=m+2-(1-m)
=m+2-1+m
=2m+1
祝学习进步,望采纳~~
1-m<0
lm+2l-l1-ml
=m+2-(1-m)
=m+2-1+m
=2m+1
祝学习进步,望采纳~~
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答
因为m>-2,m所以m+2>0
1-m<0
lm+2l-l1-ml
=m+2-(1-m)
=m+2-1+m
=2m+1
祝学习进步,望采纳~~