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I like doing maths in my head

Ppl like how do you do those big multiplications in your head? Take 13 times 17. 13 times 10 is 130 13 times 7 is 70 plus 21 so 91. And 91 plus 130 is 231. So 13 times 17 is 231. 🤷🏼 It entertains myself.
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CrazyMusicLover · 31-35
It can be a pretty effective and useful distraction, tbh.
JimboSaturn · 56-60, M
@CrazyMusicLover Good way to sharpen the mind especially as you get older lol