(3 9/16 - y) + 4 9/16 = 5 7/16;
3 9/16 - у + 4 9/16 = 5 7/16;
7 + 9/16 + 9/16 - y = 5 7/16;
9 + 18/16 - y = 5 7/16;
9 + 1 + 2/16 - y = 5 7/16;
10 + 2/16 - y = 5 7/16;
y = 10 + 2/16 - 5 - 7/16;
y = 5 - 5/16;
y = 4 + 16/16 - 5/16;
y = 4 11/16.
Пошаговое объяснение:
...
