Зарубежная образовательная литература, зарубежная прикладная, Математика
How To Learn And Memorize Math, Numbers, Equations, And Simple Arithmetic
You Can Practically Steal These Simple Math Memory Tricks
If you've ever wanted to improve your ability to learn and memorize mathematical equations, formula, arithmetic and numbers by 100% ... 200% ... 300% (or more) using simple skills you can...