`1(1)/(3)+2(1)/(6)-3(1)/(9)=1div?`

The value of: [(5/7 " of " 1 (3)/(8) " of " 6/7)] div [1-(1)/(7) xx ( 5/12 +(1)/(3)) ] xx ((1)/(7) -(1)/(9))/((1)/(7) +(1)/(9))

The value of (3)/(5) xx 1 (7)/(8) div 1 (1)/(3) of (3)/( 16) - ( 3 (1)/(5) div 4 (1)/(2)" of" 5 (1)/(3) ) xx 2 (1)/(2) + (1)/(2) + (1)/(8) div (1)/(4)

4(1)/(2)+(1div2(8)/(9))-3(1)/(13)=?

The value ok ((1(1)/(9) xx 1 (1)/(20) div (21)/(38)-(1)/(3))div(2 (4)/(9)div 1(7)/(15) of ""(3)/(5)))/((1)/(5) of (1)/(5) div (1)/(125) - (1)/(125) div (1)/(5) of"" (1)/(5)) lies between......

The value of ((1)/(2)" of " 1(1)/(2))div(3(1)/(2)-1(1)/(4)) "of" 1(1)/(2)-1(1)/(2)div2(1)/(4)+1(1)/(3) is :

The value of (2(6)/(7)"of"4(1)/(5)div(2)/(3))xx1(1)/(9)div((3)/(2)xx2(2)/(3)"of"(1)/(2)div(1)/(4)) is :

The value of (2)/(3)div(3)/(1)" of "(4)/(9)-(4)/(5)xx1 (1)/(9)div(8)/(15)+(3)/(4)div(1)/(2) is :