🌟完全非弾性衝突とはどんな運動？

Optimized studying based on the forgetting curve vastly improves memorization. - What is reminDO?

Memorize

user(0688aaaa4db7)

𝕏

Flag post / Block

• Register
• Sign up
  

• Sign in
• Twitter

  Facebook

  Google
  ID or E-mail address:

  password:

  Sign in
  
  Forgot Password