`((12+12+12)-:4)/((6+6+6)-:12)=?`

6 4 6 12 22 ?

13-(12-6-:3)

13-(12-6-:3)= ?

Replace * by in each of the following to make the statement true: (-6)+(-9)*(-6)-(-9) (-12)-(-12)*(-12)+(-12)

The direction ratios of the line x+1=2y=-12z are (1) (6,6,-1) (2) (12,6,1) (3) (6,-6,1) (4) (12,6,-1)

If, 6xx4=12 4xx12=24 12xx6=36 then 6xx9=?

(-12)xx6-(-12)xx4 = ?