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by oarsinsync
777 days ago
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> How do you do 3*9? You memorized it I put my hands out, count to the third finger from the left, and put that finger down. I then count the fingers to the left (2) and count the fingers to the right (2 + hand aka 5) and conclude 27. I have memorised the technique, but I definitely never memorised my nine times table. If you’d said ‘6’, then the answer would be different, as I’d actually have to sing a song to get to the answer. |
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