Question

Решите два примера лаю 35 баллов

Answer 1

1) (8*2+1)/2 + (2*8+1)/8 = 17/2 + 17/8 = (17*4)/(2*4) + 17/8 = 17*5/8 = 85/8 = 10 целых 5/8

2) (10*20+1)/20 + (5*5+2)/5 = 201/20 + 27/5 = 201/20 + (27*4)/(5*4) = 201/20 + 108/20 = 309/20 = 15 целых 9/20