Mathematics tutor turns any lesson into a holiday, selecting the most interesting examples

Resolving examples It gives a person such a necessary warm-up for the mind in our time. After all, modern people are increasingly used to receiving any information in a ready-made form and are completely lazy to think. And math classes just make the brain work to the fullest, teach to systematize and analyze data.

And today's edition. "Site" It offers some fascinating examples where many adults (as well as inattentive schoolchildren) make mistakes. Test your mathematical knowledge and try to find the right answers in just a few minutes.



Resolving examples

1. To solve the first example, you need to cope with two arithmetic operations: addition and multiplication. And here you will have to multiply even by zero. I wonder how many of our readers won’t be confused about finding the right answer.
   
   
   
   
2. This has made a lot of noise on social media. A lot of people are making a strange mistake here. And these people are completely confident in their rightness and try to defend it to the last. You know what the catch is?
   
   
   
   
3. To solve the last example, you need to know how a number is multiplied by a decimal fraction. If you remember the relevant rules, then it will not be difficult to deal with an intricate example. And then you can proudly write the correct answer in the comments.
   
   
   
   

Tips and solutions

1. Those who remember that multiplication is done first will quickly understand what is what. Thus, the example takes a slightly different form: 7 + (2 × 0) + (3 × 3). So we get 7 + 0 + 9 = 16. All other answers cannot be considered correct.
   
   
   
   
2. Immediately we perform actions in brackets, and then decide everything from left to right. Then 4 ÷ 2 × (1 + 1) = 4 ÷ 2 × 2 = 2 × 2 = 4. Although those who perform actions in the wrong order get a unit.
3. Remember that multiplying by 0.25 is like dividing by 4. It's like finding 25% of 100. So 110 – 100 ÷ 4 = 110 – 25 = 85. However, if the order of the decision is wrong, it can be 2.5.
   
   
   
   

Don’t forget to share your answers in the comments. And also solve our other examples that will help you remember the school rules of mathematics. Or look at difficult tasks that will help to spend time with benefit.