The Vexing Hectare Detector
Solving Mysteries Through Science, Technology, Engineering, Art & Math
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- 8,99 US$
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- 8,99 US$
Lời Giới Thiệu Của Nhà Xuất Bản
It's Spring Break and the gang is presented with a mysterious new riddle that will challenge their mathematics skills and senses. What is the perplexing, suspended ring that oscillates? Jesse and her pals must work together to find out!