11 (12/09/2016) SURPRISE EXERCISE

Be careful !!!

If you solve the next problem, send the solution to coljad.maths@gmail.com and you get + 20 points in maths and geometry.

But this offer is for limited time, and only the first 20 people that send the e-mail can enjoy it, be quickly and send RIGHT NOW.

This offer finish the Tuesday at 13th September 23:59 or when 20 people send the answer to the teacher.