Пошаговое объяснение:
а) x+15 17/18 = 22 5/18
x = 22 5/18 - 15 17/18
x = 21 23/18 - 15 17/18
x = 6 6/18
x = 6 1/3
Б) 37 4/15+(2 7/15-у)=38 2/15
37 4/15 + 2 7/15 - y = 38 2/15
39 11/15 - y = 38 2/15
y = 39 11/15 - 38 2/15
y = 1 9/15
y = 1 3/5
Пошаговое объяснение:
а) x+15 17/18 = 22 5/18
x = 22 5/18 - 15 17/18
x = 21 23/18 - 15 17/18
x = 6 6/18
x = 6 1/3
Б) 37 4/15+(2 7/15-у)=38 2/15
37 4/15 + 2 7/15 - y = 38 2/15
39 11/15 - y = 38 2/15
y = 39 11/15 - 38 2/15
y = 1 9/15
y = 1 3/5