Question

17 - 8 15/31 +x+ 3 29/31=16 14/31

Answer 1

1) 16 3131 - 8 1531 = 8 1631

2) 8 1631 + 3 2931 = 11 4531 = 12 1431

3) 12 1431 + Х = 16 1431

X = 16 1431 - 12 1431 = 4 целых

ОТВЕТ: Х = 4