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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!

Howie Hua

100,766 subscribers

21,468 views • 3 years ago •via X (Twitter)

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5 Comments

Brian UCF3 years ago

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

Howie Hua3 years ago

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

Elisabeth3 years ago

Everything always comes back to the identity property!

Gen M3 years ago

❤️ that shirt.

Howie Hua3 years ago

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

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