Question

Решите пж. Даю 25 баллов

Answer 1

(2/9 + 2/15) / (1 1/9 - 2/3) = (1045 + 6/45) / (10/9 - 2/3) = 16/45 / (10/9 - 6/9) = (16/45) / (4/9) = 16/45 * 9/4 = 4/5 = 0,8

Answer 2

1) 2/9+2/15=(10+6)/45=16/45

2)1(1/9)-(2/3)=1((1-6)/9)=(9+1-6)/9=4/9

3) 16/45 : 4/9 = 16/45 * 9/4 = 4/5 * 1/1 = 4/5