Question

(1-4/9):(3/8-1/4)*(1 1/5+2 2/3-1 3/5)=

Answer 1

Ответ:

(1-4/9)=5/9

(3/8-1/4)=1/8

5/9/1/8=40/9

 1 1/5+2 2/3=3 13/10

3 13/10 -1 3/5=2 7/10

40/9*2 7/10=12

ОТВЕТ:12