The brain, a logical instrument that needs maintenance.
Solving these types of calculations is not only useful for school or helping your children: it is real mental training . By training the brain areas associated with logic, memory, and reasoning, you maintain your intellectual alertness.
An excellent exercise to keep your brain sharp every day!
Steps to solve the problem
Opening statement:
3 × 3 + 3 ÷ 3 – 3
Step 1 – Multiplication
3 × 3 = 9
New expression:
9 + 3 ÷ 3 – 3
Phase 2 – Storage
3 ÷ 3 = 1
New expression:
9 + 1 – 3
Trin 3 – Addition
9 + 1 = 10
New expression:
10 – 3
Step 4 – Subtract
10 – 3 = 7
Final score: 7
That’s right! By simply following the operating instructions, you will get the correct result without making any mistakes.
Congratulations if you got a 7! This proves that you have understood the priorities of mathematics and that you can use your logic at the right moment.
Conclusion:
With the right method, even the most difficult expressions become easy to solve !
