보물섬

How Euler Invented Graph Theory Just by looking at a Puzzle !https://www.youtube.com/watch?v=czVrq-ECGoU&list=UULF2lYY9pPyl44YyBd3kIEqHA

[수학史] 로피탈 정리의 진실 https://www.youtube.com/watch?v=05UyjwZ7S_Q&list=PL127T2Zu76FtYKMJqhX4cE-kzGqR302_y

Evaluating a polynomial at a given value | Algebra I | Khan Academy https://www.youtube.com/watch?v=03yq7XsErqo&list=PLSQl0a2vh4HA5y-zmEVuu5WX84Tj-dRTw

Multiplication Rap | Rock 'N Learn | Facts 0x through 12x | Learn to Multiply for Kids https://www.youtube.com/watch?v=_UVcNBjoxs4&list=PLjHgrj6tC7AaIj-6eJc5H9tqgp5RKp18R

Converting percent to decimal and fraction | Decimals | Pre-Algebra | Khan Academy https://www.youtube.com/watch?v=-gB1y-PMWfs&list=PLSQl0a2vh4HC8HiIGcoNa34SZTgD6RXAN 78-5 7 11 15 30 34 39 44 49 51 56 59 64 66 71 78

Vectors, what even are they? | Essence of linear algebra, chapter 1 www.youtube.com/watch?v=fNk_zzaMoSs&list=PLZHQObOWTQDPD3MizzM2xVFitgF8hE_ab

Imaginary Numbers Are Real [Part 1: Introduction] https://www.youtube.com/watch?v=T647CGsuOVU&list=PLiaHhY2iBX9g6KIvZ_703G3KJXapKkNaF

수학의지도 https://www.youtube.com/watch?v=OmJ-4B-mS-Y&list=PLOYRlicwLG3St5aEm02ncj-sPDJwmojIS 7-1

Partial Fractions (example with cubic denominator) https://www.youtube.com/watch?v=qdufMHAtyNA&list=PL5KkMZvBpo5DzMt9xB-DbyYTgvQEpcWg7

Easy Finger Multiplication Trick for the 6, 7, 8, 9, and 10 Times Table https://www.youtube.com/watch?v=ovNRpka4JXU&list=PL8KOWuQYtmz8akwOxSOqa6J6RZUulfUDF