Check your attention
Mathematics classes have a beneficial effect on intelligence. If you want to maintain clear thinking for many years, practice solving examples and problems that sharpen analytical skills.
Mental gymnastics must be regular, just like regular sports training. Spending just a couple of minutes a day on mental arithmetic examples is enough to achieve great results soon. Don't put off practice for later.
We invite you to tackle a challenging example shown in the picture. Calculate 4×0.25+4:0.25 in your mind without writing down intermediate results. It may seem that three operations won't scare anyone, but there will be plenty of reasons to get confused in the calculations.
