Question

Найдите значение вырожения (3/4+1/6)*3+(5/6-1/2):2/9

Answer 1

 (3/4+1/6)*3+(5/6-1/2):2/9=( 9/12+3/12)*3 + ( 5/6-3/6): 2/9= 1*3+1/3*9/2=3+1 1/2= 4 1/2