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 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