{"type":"rich","version":"1.0","title":"**Le 4 operazioni**","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/Y48t9_nDY3PfPu1R/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/638f2df7f9c36373df3eed51\" frameborder=\"0\" allowfullscreen></iframe>"}