(14+2/9s)(14+14s+1/9s)-(7+1/9s)^2
6+x+1/3+1=x-3/6
4^((2y-5)/(y-5) +4^((4y-15)/(y-5) =68
a-a^2-a^3
2 $\sqrt{12}$ + $\sqrt{75}$ + $\sqrt{50}$
7-2 [(-6+3) {-5 + 2 (4-3)}]
if 10 pens cost 60 rupees what is the cost of 13 such pens
1. Ming Yao bought a magic box as shown in the left diagram. The box is a cuboid with a removable cube at the top right corner. Th...
18 OVER X-Y + 15 OVER X-Y
a.a^2. a^3