(2/7 : 3/7+(4 1/2 - 3 5/6)*3 1/3):(6 1/2 : 9)"

Question

(2/7 : 3/7+(4 1/2 - 3 5/6)*3 1/3):(6 1/2 : 9)"

Answer 1

а) 2/7*7/3=2/1*1/3=2/3.
б) 4 1/2 - 3 5/6 = 9/2 - 23/6 = 27-23/6 = 4/6
в) 4/6*3 1/3 = 4/6 * 10/3 = 40/18
г) 2/3 + 40/18 = 12+40/18 = 52/18 = 26/9
д) 6 1/2:9= 13/2:9/1= 13/2*1/9= 13/18
е) 26/9:13/18= 26/9*18/13= 2/1*2/1=4/1=4