7/16
Пошаговое объяснение:
1 2 4 3
(2 13/48+2 5/12):3 3/4-9 3/4:12= 7/16
По действиям:
1. 2 13/48+2 5/12 = 2 13/48 + 2 20/48 = 4 33/48 = 4 11/16
2. 4 11/16 : 3 3/4 = 75/16 : 15/4 = 75/16 * 4/15 = 5/4 = 1 1/4
3. 9 3/4 : 12 = 39/4 * 1/12 = 39/48 = 13/16
4. 1 1/4 - 13/16 = 5/4 - 13/16 = 20/16 - 13/16 = 7/16
7/16
Пошаговое объяснение:
1 2 4 3
(2 13/48+2 5/12):3 3/4-9 3/4:12= 7/16
По действиям:
1. 2 13/48+2 5/12 = 2 13/48 + 2 20/48 = 4 33/48 = 4 11/16
2. 4 11/16 : 3 3/4 = 75/16 : 15/4 = 75/16 * 4/15 = 5/4 = 1 1/4
3. 9 3/4 : 12 = 39/4 * 1/12 = 39/48 = 13/16
4. 1 1/4 - 13/16 = 5/4 - 13/16 = 20/16 - 13/16 = 7/16