Do you like the world of mathematics? If you like it, then you must be right to come to the Math playground. There are all kinds of mathematics you want here, which can make you feel the charm of real mathematics. The particular breakthrough area of a rectangle can let you face the rectangular world accurately, deepen your understanding and grasp of it, and it can make you connect with real learning.
Do you like to challenge the limit and impossible? The world's most challenging game (world's hardest game) will let you experience it. It is not an easy task to give the diamonds reach the destination safely from the starting point through dense obstacles. If the former wins with speed, Doom 3 needs your strategy and skills to succeed. It is a first-person shooting game, and you must be prepared to fight against demons.
So do you believe in luck? Then challenge bad apple. It is similar to the general operation of mine clearance. You never know whether the apple you click is a good apple or an apple that has been bitten by worms. Do you have any idea to try your luck? Let's see what the result will be.