Решите пример (20-19 3/4)+(17 3/4-17)+(2 1/2-17/24)

Question

Решите пример (20-19 3/4)+(17 3/4-17)+(2 1/2-17/24)

Answer 1

(20-19 3/4)+(17 3/4-17)+(2 1/2-17/24)=(80/4-79/4)+(71/4-68/4)+(60/24-17/24)=
1/4+3/4+43/24=4/4+43/24=24/24+43/24=67/24=2 19/24