The Mysterious Math Cave

The Mysterious Math Cave

  1. The Mysterious Math Cave is a fictional book that integrates mathematics in a mysterious and fun environment. The Rhombus Sisters and their Nana is on their yearly girl trip on Take Away Island. This is the only place where the Mysterious Math Cave dwells. However, what else lies in the Mysterious Math Cave ? Do you dare take a trip with the Rhombus Sisters? 
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