已知X+2<0,化简:┃-X┃-┃X+2┃+┃X-2┃

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已知X+2<0,化简:┃-X┃-┃X+2┃+┃X-2┃已知X+2<0,化简:┃-X┃-┃X+2┃+┃X-2┃已知X+2<0,化简:┃-X┃-┃X+2┃+┃X-2┃x<-2┃-X┃-┃X+2┃+┃X-2

已知X+2<0,化简:┃-X┃-┃X+2┃+┃X-2┃
已知X+2<0,化简:┃-X┃-┃X+2┃+┃X-2┃

已知X+2<0,化简:┃-X┃-┃X+2┃+┃X-2┃
x<-2
┃-X┃-┃X+2┃+┃X-2┃
=-x+x+2-x+2
=4-x