Question

Вычислите 2,5 + 3,5 3,7 - 2,7​

Answer 1

2/5+3/5=5/5=1

1/9+5/9=6/9=2/3

13/29-2/29=11/29

3/7-2/7=1/7

6/23-2/23=4/23

11/51+13/51=24/51