Question

0＞c＞-a＞b 化简 |c|-|c-b|+|a-c|+|a+b|

Answer 1

0＞c＞-a＞b,则a>0

|c|=-c

|c-b|=-b+c

|a-c|=a-c

|a+b|=-a-b

|c|-|c-b|+|a-c|+|a+b|

=-c-(-b+c)+a-c+(-a-b)

=-c