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MATHS HACK: Countdown's Rachel Riley MBE 💙 reveals an easy way to multiply two-digit numbers by 11. 🎬 | Dr Tom Crawford #NationalNumeracyDay

University of Oxford

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94,240 次观看 • 3 年前 •via X (Twitter)

#NationalNumeracyDay

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Today is #NationalNumeracyDay! 🔢 Oxford University Alumni and Countdown star Rachel Riley MBE 💙 shares her top tip for people who want to improve their maths skills. 🎬 | Dr Tom Crawford

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