Find the value of:
`(2)/(3)+(1)/(7)-1(1)/(7)-11/(7)`

Find the value of : ( 3/7 )^-1

Find the value of (1)/(1+(1)/(3-(1)/(2+(4)/(2+(1)/(2+(1)/(2-(1)/(7)))))))+(3)/(3-(4)/(3+(1)/(2-(1)/(2))))*(13)/(7) (b) (15)/(7) (c) (11)/(21) (d) (1)/(28)

Find the value of (1)/(7)+(4)/(3)+(1)/(2)+sqrt(5)

What is the value of (1)/(7)times(1)/(7)-:(2)/(7) ?

Find the value of : ((3.9)^2-(1.7)^2)/(3.9-1.7)

What is the value of (1)/( 3 xx 7) + (1)/( 7 xx 11) + (1)/( 11 xx 15) + . . . + (1)/(899 xx 903) ?

find the value of m, if (-3)^(m+1)*(-3)^(1)=(-3)^(7)

Find the value of 1/(4(2/7)) + 1/(3(11/13)) + 1/(5/9)