Solve : `7/(31)-4/(31)+9/(31)`

((31)/(-4)+(-5)/(8))=?

Solve: 31.5-:100

Solve: 30.13 div 1.31

Solve: 6x^(2)+40=31x.

Solve the Expression : -4+(-31)

Out of the fractions (9)/(31),(3)/(17),(6)/(23),(4)/(11) and (7)/(25) which is the largest? (9)/(31) (b) (3)/(17) (c) (6)/(23) (d) (4)/(11) (e) None of these

Solve for x : |(2+x,3,1),(3,1+x,2),(1,2,3+x)|=0

31.08 as a mixed fraction is: 31 1/(25) (b) 31 2/(25) (c) 31 3/5 (d) None of these