Question

1)|-2,8|-|-1,3| 2)|12,8|+|-13,9|

Answer 1

Ответ:

1)2,8-1,3=1,5

2)12,8+13,9=26,7

Answer 2

It looks like you're trying to compute the absolute values and addition/subtraction of given numbers. Let's break it down step by step:

1. |-2,8| - |-1,3| The absolute value of -2.8 is 2.8, and the absolute value of -1.3 is 1.3. So, the calculation is 2.8 - 1.3 = 1.5

2. |12,8| + |-13,9| The absolute value of 12.8 is 12.8, and the absolute value of -13.9 is 13.9. So, the calculation is 12.8 + 13.9 = 26.7