การดู
8:54
Coercivity & retentivity (Permanent & electromagnets) | Magnetism & matter | Physics | Khan Academy
7:34
Khan Academy Vision
2:53
LearnStorm Growth Mindset: How to write a SMART goal
8:41
Campaign finance | Political participation | US government and civics | Khan Academy
5:23
Khan Academy and Code.org | Hardware and Software
11:28
What are inductors? (self-inductance) | Electromagnetic induction | Khan Academy
3:24
Soaps and detergents | Carbon and its compounds | Class 10 | Chemistry | Khan Academy
6:29
Constrained optimization introduction
