当x<-95/231时

│X-100/231│+│X+95/231|

=100/231-x-95/231-x

=5/231-2x>195/231

当-95/231<=x<=100/231时

│X-100/231│+│X+95/231|

=100/231-x+x+95/231

=195/231

当x>100/231时

│X-100/231│+│X+95/231|

=x-100/231+x+95/231

=2x-5/231>195/231

所以最小值 195/231