This thread starts with a problem /sci/ solves it.
After its been solved some Anon gives a problem slightly harder, when that has been solved it a slightly harder problem is posted.

The rules of the game is, no large jumps in difficulty (a large jump in difficulty is more than 2 years in standard schooling). Only physics, mathematics and chemistry. How many posts will it take too reach the unsolved? Only your posts will tell.

FIRST PROBLEM
>2+4 = ?