ICT教學開懷篇(5) – π Day (3/14)的「反思 reflection」 自2009年，美國每年三月十四日(3/14)是記念數學上經典固數 π (pi)的日子，叫Pi Day。 看看上面 π (pi)的反射，令人垂涎三尺！ Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Telegram (Opens in new window)Click to email a link to a friend (Opens in new window) Related
