`(3)/(9)times[-(2)/(4)]-(1)/(6)times(3)/(2)+(1)/(14)times(3)/(9)`

(2)/(5)times(-(3)/(7))-(1)/(6)times(3)/(2)+(1)/(14)times(2)/(5)

(2)/(5)times((-3)/(7))-(1)/(6)times(3)/(2)+(1)/(14)times(2)/(5)

(9)/(8)times(4)/(3)-:(3)/(4)times(2)/(3)=

(5)/(4)times(2)/(6)+(3)/(2)times(2)/(1)+(3)/(6)times(3)/(2)

((1)/(3)times(2)/(9))/((1)/(3)times(1)/(5)+(1)/(3)times(1)/(3)+(1)/(3)times(2)/(9))

(-4)/(5)times(3)/(1)times(15)/(16)times(-14)/(9)

( (5)/(6)-:(6)/(7)times(6)/(7)-(8)/(9)-:1(3)/(5)+(3)/(4)times3(1)/(3)

solve it : (ii) (-3)/(5)times(-3)/(5)times(-3)/(5)times(-3)/(5) (iii) (-9)/(2)times(4)/(2)times(-4)/(2)times(-4)/(2)times(-4)/(2)times(-4)/(2) (iv) (-5)/(3)times(-5)/(3)times(-5)/(3)times(-5)/(3) (v) (-6)/(2)times(-6)/(2)times(-6)/(2)times(-6)/(2)times(-6)/(2)

((4)/(9))^(-2)times((1)/(4))^(-2)times(1)/(3^(-2))times((17)/(18))^(0)

(4(2)/(3)times(9)/(14)+5(1)/(6)times2(2)/(5)) of 417(7)/(8) =