edu 数字杂谈(Number Trivia) 联系: Richard Phillips， School and Faculty of Education at the Universi ty ..
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number trivia
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以上为机器翻译结果，长、整句建议使用 人工翻译 。
All of the materials needed for each experiment are included, along with a lesson plan, instructions and "factoid" cards with tidbits of interesting trivia, such as the number of elements on the periodic scale.
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