Question

26/13+52/13+78/13+91/13

Answer 1

2+ 4+ 6+ 7=19  .............................................................

Answer 2

26/13+52/13+78/13+91/13

1)26/13=2

2)52/13=4

3)78/13=6

4)91/13=7

2+4+6+7=19

Ответ:19.