Math Olympiad puzzles a hit with students
From the Straits Times 18 April 2015 HOW many ways are there to place four marbles of different colours into four empty boxes? More Singapore students are cracking their brains over mathematics questions like this and the one dubbed “Cheryl’s Birthday” which left adults from Britain to Canada scratching their heads. More than 9,000 students … Continue reading Math Olympiad puzzles a hit with students
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