{"type":"rich","version":"1.0","title":"La storia della matematica","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/Xs-l7btU6PRE_q7j/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/5ecfa5edbb54e8f444feaee3\" frameborder=\"0\" allowfullscreen></iframe>"}