Brain Training! Calculation

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 writtenThere 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!
AdditionSubtractionSubtraction plusMultiplication