짱구

jennykim137, 2017/06/26


  • 1. Girl in the Mirror
  • 2. Twitter logo: animated construction
  • 3. Cavalieri's Principle (祖暅原理)
  • 4. 이차함수
  • 5. 이차함수

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Girl in the Mirror

How large does a mirror need to be to see your full body? Move the girl and use the checkboxes to find an answer to this question.
– Markus Hohenwarter

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情報