Percentages - fast math lesson The autosurf simple efficient and powerful منتشر شده در تاریخ 1396/03/09 This video looks at the way to easily work out percentages. This is an essential part of math. ... This video looks at the way to easily work out percentages. This is an essential part of math. همه توضیحات ... #تحصیلات_و_یادگیری #percent #maths #math