+80
3 недели назад
Математика
Студенческий
Пошаговое объяснение:
7/12 + 7/20 = 35/60 + 21/60 = 56/60 = 14/15
3/8 + 1/18 = 27/72 + 4/72 = 31/72
1/12 + 11/14 = 7/84 + 66/84 = 83/84
2/15 + 7/12 = 8/60 + 35/60 = 43/60
9/14 - 5/12 = 54/84 - 35/84 = 19/84
19/75 + 7/50 = 38/150 + 21/150 = 59/150
Пошаговое объяснение:
7/12 + 7/20 = 35/60 + 21/60 = 56/60 = 14/15
3/8 + 1/18 = 27/72 + 4/72 = 31/72
1/12 + 11/14 = 7/84 + 66/84 = 83/84
2/15 + 7/12 = 8/60 + 35/60 = 43/60
9/14 - 5/12 = 54/84 - 35/84 = 19/84
19/75 + 7/50 = 38/150 + 21/150 = 59/150