发表于2024-11-27
The Secret Life of Math 2024 pdf epub mobi 电子书
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Ages 9 to 12 years. Discover the relationship between maths and people's needs, and how these needs have continually pushed people the word over to come up with very similar solutions to keep track of things, measuring time, and distance, and calculating numbers.
The Secret Life of Math 2024 pdf epub mobi 电子书