If the formula is correct ◯.
If the formula is not correct ×.
It is a simple math game to touch the correct one.
You can train the instantaneous computing power.
Also children before starting the math please try using to learning a game.
If the formula is correct ◯.
If the formula is not correct ×.
It is a simple math game to touch the correct one.
You can train the instantaneous computing power.
Also children before starting the math please try using to learning a game.