{"type":"rich","version":"1.0","description":"이분모 분수의 덧셈과 뺄셈","title":"통분해서 분수 계산","width":720,"html":"<iframe src=\"https://arcade.padlet.com/embed/ZMjgXE95p7\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","height":480,"provider_name":"Padlet Arcade","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1786141619645&hashid=ZMjgXE95p7","provider_url":"https://arcade.padlet.com"}