Did you know that mental arithmetic can unlock incredible math skills in kids? 🌋🚀 Take a moment to watch these young math enthusiasts—they’re performing complex calculations at lightning speed, all in their heads! How? Through mental arithmetic learned via the abacus‼️ Here’s the fascinating part—notice how their fingers move as they visualize the abacus in their minds. This powerful technique hones critical cognitive skills, transforming the way children process numbers. What is mental ar...
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わあ!父のフィルムからの写真を手に入れたんだけど、それは30年以上前のものなんだ😱

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