Видео ютуба по тегу Arithmetic Shortcuts

Mental Math Tricks - Addition, Subtraction, Multiplication & Division!
Mental Math Tricks - Addition, Subtraction, Multiplication & Division!
Mental Addition and Subtraction Tips — Math Tricks with Arthur Benjamin
Mental Addition and Subtraction Tips — Math Tricks with Arthur Benjamin
5 cool math tricks ft. Technicality
5 cool math tricks ft. Technicality
How to Calculate Faster than a Calculator - Mental Maths #1
How to Calculate Faster than a Calculator - Mental Maths #1
Mathematics is all about SHORTCUTS - Numberphile
Mathematics is all about SHORTCUTS - Numberphile
5 Fast Math Tricks for Multiplication - Mental Math
5 Fast Math Tricks for Multiplication - Mental Math