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New TikTok video: a×1=a seems so basic but it can actually help explain why "keep change flip" works. Here's how!
21,466 次观看 • 3 年前 •via X (Twitter)
5 条评论

Brian UCF3 年前
That’s pretty neat. On a side note, as a Geometry teacher I love your shirt!

Howie Hua3 年前
Thanks! I got it from @tweetsauce's website :)

Elisabeth3 年前
Everything always comes back to the identity property!

Gen M3 年前
❤️ that shirt.

Howie Hua3 年前
@KathyJo02031072 Oh wow! Thank you. Here's a visual way if you want to show that too!
