Verified answer

Пошаговое объяснение:

1) (1 5/8 + 19/24 - 1 1/12)× х =1

(13/8 + 19/24 - 13/12)× х =1

(39/24 + 19/24 - 26/24)× х =1

32/24 × х =1

4/3 × х =1

х= 3/4

2) (2 23/28 + 1 5/7 - 1 13/14) × х =1

(79/28 + 12/7 - 27/14) × х =1

(79/28 +48/28 - 54/28) × х =1

73/28 × х =1

х= 28/73