Gaillard Johnson

1. Cộng đồng
2. Content Requests and Feedback
3. the more tougher the courses are, the more the questions in the exersices are harder than the videos

Couldn’t agree more, the videos often are too simple, and the solutions require tricky multi steps. Maybe it’s because I didn’t take physics in high school but I had. 1 and 2 algebras. Everything ...