HOPPER

I have all of the sun badges except 3. I will tell you this they are pretty hard to get. You just have to do unit challenges. They are really helpful.

1. Cộng đồng
2. Technical Issues and Workarounds
3. how do you master a unique skill?

You get unique skills by filling a bar in math. When I mean filling one it means getting it to the really top. And you can get unique skills by using the Unit test.

1. Cộng đồng
2. Technical Issues and Workarounds
3. how do you master a unique skill?

Me TOO. I hope I do not get banned. Agreed Apollo Dragon.

1. Cộng đồng
2. General Khan Academy Questions
3. How do you get banned?