Видео ютуба по тегу Mathematics Tricks

How to Calculate Faster than a Calculator - Mental Math #1

5 простых математических приёмов для быстрых вычислений | Математические приёмы на каждый день | ...

Mental Addition and Subtraction Tips — Math Tricks with Arthur Benjamin

Square any 2 digit number in 3 seconds I Crazy Math Trick

10 Math Tricks School Didn't Teach You But Should Have

Trick To Always Remember Your Times Table (6 to 10)

Fast Vedic Mental Math Tricks - Multiplication 01 | Fast Math | Don't Memorise