当-1<X<2时,化简丨x-2丨-丨x+1丨

2025-02-26 00:07:06
推荐回答(2个)
回答1:

-1x-2<0
x+1>0

丨x-2丨-丨x+1丨

=2-x-(x+1)
=2-x-x-1
=1-2x

回答2:

当-1<X<2时,化简丨x-2丨-丨x+1丨=2-x-(x+1)=2-x-x-1=1-2x