Question

Упростите выражения:
y-(2y+1 целая 2/3)-(y-4/6)
2) c+(6d-2c)-(d-4c)-c

Answer 1

y-(2y+1 целая 2/3)-(y-4/6)= y - 2y - 1 2/3 - y + 2/3 = -2y 

2) c+(6d-2c)-(d-4c)-c= c + 6d - 2c - d +4c = 3c + 5d