Найти | a | +| b | и | a+b | б) a = -4, b = 10 в) a = 72, b = 28
|-4|+|10|=14
|-4+10|=6
|72|+|28|=100
|72+28|=100
Б) | а | + | б | = | -4 | + | 10 | = 14 | а + б | = | -4 + 10 | = 6 в) | 72 | + | 28 | = 100 | 72 + 28 | = 100