Question

已知△ABC的三边分别为a,b,c,化简|a+b-c|+|a-b+c|+|a-b-c|

希望快点给回答

Answer 1

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

Answer 2

|a+b-c|+|a-b+c|+|a-b-c|
=a+b-c+b+c-a
=2b

追问

能不能过程回答详细些？

追答

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