" 18.If "(1)/(2)<=log_(0.1)x<=2" then'x'belongs to : "

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 ((1)/(2)" of "1(1)/(2))-:(3(1)/(2)-1(1)/(4))" of "1(1)/(2)-1(1)/(2)-:2(1)/(4)+1(1)/(3) is:

The value of ((1)/(2)-:(1)/(2)"of "(1)/(2))/((1)/(2)+(1)/(2) "of"(1)/(2)) is

If x=(1)/(1^(2))+(1)/(3^(2))+(1)/(5^(2))+ . . . y=(1)/(1^(2))+(3)/(2^(2))+(1)/(3^(2))+(3)/(4^(2))+ . . . . z=(1)/(1^(2))-(1)/(2^(2))+(1)/(3^(2))-(1)/(4^(2))+ . . .then

Solve the below equation . (1+2)/({1+(2)/((2+(1)/(2)))}) =?

the value of sqrt(1(1)/(2)-[1(1)/(2)-1(1)/(2)+(1(1)/(2)-1(1)/(2)-1(1)/(4))]) is

The value of (1)/(2+(1)/(2-(1)/(2-(1)/(2))))