Percentages made easy - fast shortcut trick!

Описание к видео Percentages made easy - fast shortcut trick!

Percentages can be done mentally as quickly as you can work out basic multiplication.
Use this trick to work out percentages instantly.

To donate to the tecmath channel:https://paypal.me/tecmath

To support tecmath on Patreon:   / tecmath  

To buy tecmath mechandise: https://teespring.com/stores/tecmath-...

Комментарии

Информация по комментариям в разработке

Похожие видео