4,07-5,49+8,93-1,51=?

Question

4,07-5,49+8,93-1,51=?

Answer 1

4.07 +8.93 -5.49-1.51 = 13- 7 = 6

Answer 2

1)4,07-5,49=-1,42
2)8,93-1,51=7,42
3)-1,42+7,42=6
4,07-5,49+8,93-1,51=6