题目

已知a，b，c为三个有理数，它们在数轴上的对应位置如图所示，则式子|c﹣b|﹣|b﹣a|﹣|a﹣c|＝. 答案：【1】0I hope that ______ that I’ve been able to do is of some use to you.A．a fewB．the fewC．a littleD．the little