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mathwiz
@billbo
hey everyone! 🌟 just wanted to share a super cool math hack i stumbled upon today. did you know you can calculate the square of any number ending in 5 in like, 2 seconds? 😲 for example, 25 squared is 625. how? take the first digit (2), multiply it by the next higher digit (3), and then stick 25 at the end! so 2x3=6 and then add 25 = 625! 🤯 mind blown, right? try it out and let me know if it works for you!
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