Math Competition in 60 Seconds

This is a puzzle game suitable for adults and children. This app will bring more fun and connection to your games through Apple’s social gaming network Game Center.
Enable Game Center leaderboard, achievements, and dashboard functions in this app.
You can see the ranking among global players and your Game Center friends.
Achievements in the this app are special milestones that indicate when you have successfully reached a specific goal in the game. The achievements meticulously created for you allow you to experience the fun of this app.
HOW TO Play:
When you start the game, if you log in to Game Center, you can see Access Point. Through Access Point, you can check your Game Center status in the game, such as ranking and achievement status.
At the beginning of the game, choose the game question type you want to play. Each game question type has its own leaderboard.
After entering the game, try your best to answer the questions as quickly as possible within 60 seconds.
One heart will be deducted when you answer the wrong question. When you run out of three hearts, the game will end early.
If you have a shield, the number of shields will be deducted first when you answer incorrectly, but your love will not be deducted.
You can use the button in the upper right corner of the game homepage to watch the advertisement to get the shield. Every time you successfully watch an advertisement, you can get one shield.