ساخت وسایل مدرسه خیلی زیبا

FUN SCHOOL HACKS If you need to take a quick nap, I'll show you how to do it! We're gonna need special goggles for it! Learn how to draw prospective without a ruler, measure angles and figure out how many days there are in any given month with your hand! These and many others mind-blowing Math tricks are in this video! There are some GREAT tricks for young mathematicians! Learn the Japanese method of multiplication, how to quickly add fractions, memorize PI number and a lot of other aweso

• #تحصیلات_و_یادگیری
• #do_it_yourself
• #diy
• #5