Question

Помогите решить!
|-39|-|-49|
|36,8-57,8|
|978|+|-674|

Answer 1

| -39| - |-49|=39 - 49 = -10

| 36,8 - 57,8 |=| -21 | =21

| 978 | +| -674 |=978+674=1652