Percentages made easy - fast shortcut trick!

tecmath
tecmath
5.7 میلیون بار بازدید - 10 سال پیش - Percentages can be done mentally
Percentages can be done mentally as quickly as you can work out basic multiplication.  
Use this trick to work out percentages instantly.

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10 سال پیش در تاریخ 1393/08/26 منتشر شده است.
5,787,346 بـار بازدید شده
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