Let scoring as much as possible in the "one minute" a formula of four questions!
It is this mission you want to challenge! !
Formula of four questions is Written to test a single sheet of paper.
Let me scored as much as possible during the "one minute" it!
To test paper formula was written
There are a correct answer, the wrong answer.
Answer is correct "○"
And if wrong "✔"
Give me to score the answer sheet as much as possible to write.
And able to compete with others if you participate in the rankings!
I selected this hotel as a top choice!
If you are confident study brain training like games, math for children, in mental arithmetic!
Addition
Subtraction
Subtraction plus
Multiplication