Question

N105 а и г найдите значение выражения

Answer 1

(2 17/175 - 2 8/35)*2 7/9= (2 17/175 -2 8/35*5/5)* 2 7/9= (2 17/175 -2 40/175) *2 7/9= - 23/175 *2 7/9= - 2  161/1575= - 2 23/225

1 2/18 - (5 5/5- 5 3/5)=1 2/18 - 2/5 = 1 5/45 - 18/45 = 50/45 - 18/45= 32/45 * 32/45= 1024/2025