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🤯 Why Didn't They Teach Algebra Like This? Easy Multiplication Trick!

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SchoolLife

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15,161 次观看 • 3 天前 •via X (Twitter)

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2 条评论

Klotzen, nicht kleckern! Anil Kelkar 的头像
Klotzen, nicht kleckern! Anil Kelkar2 天前

Well, we learnt it as first 2, inner 2, outer 2, last 2. No need to draw a matrix.

Dylan Banes 的头像
Dylan Banes2 天前

People will think that the most basic things in math, like foiling and combining like terms, are hard, but somehow a 3x3 matrix with extra arrows somehow makes it click. That's like thinking that getting in the driver seat through the moonroof is a groundbreaking discovery. SMH

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