数学是一切科学的基础。如何帮孩子从3岁起建立数学思维,实现数学启蒙?...
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\Number Jumble Welcome to the wonderful world of the Digits, a playful new picture book series about a group of number friends. Today, the Digits are moving into The Number Tower, but there is something odd about One's new apartment. There are too many of...
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《新加坡数学建模6》,适合小学六年级学生,包括一本《知识点突破》和一...
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