All of us at school taught such an exact science as mathematics. Today in the game Speed ​​Math we want you to suggest refreshing your knowledge of this science. Before you on the screen you will see a mathematical expression. You need to calculate and solve it in your mind as quickly as possible. Below, answers will be given. As you understand, you need to choose the right option. Then you get the gaming points and go to another level. If you make a mistake, you will fail the passage of the level.