(20 votes , Average SMS rating:
Mathematics - your most hated thing. Moreover, there is absolutely nothing that is not clear, so still and unbearably boring. And who do I need this math. An urgent need to get out of here, until your brain finally boiled over. But the door is locked. Where's the key? Certainly teacher hid it somewhere in the classroom. In this game to open the door on the way will have to use more than one key.