스마트 2모둠-김다현 by 김다현 https://padlet.com/ruby31424155/ow55z4mm0lsi 김다현 en-us 2017-09-29 01:26:22 UTC 2017-11-08 00:27:13 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Lovecookie.png 물체가 광원에서 5cm 멀어지면 조금씩 ruby31424155 https://padlet.com/ruby31424155/ow55z4mm0lsi/wish/192309750 물체의 그림자의 크기가 조금씩 작아졌다.]]> 2017-09-29 01:27:51 UTC https://padlet.com/ruby31424155/ow55z4mm0lsi/wish/192309750