Currency USD
This book contains fun problems, joke problems, trivia and logical problems. A cheerful problem solver is a book for those who do not like mathematics, usually consider solving problems to be joyless and boring work. So let them doubt!
But, to be honest, the book opened before you is not exactly a problem book. No, no, the tasks here are real. For children of junior and middle school age. All of them have solutions and help to consolidate the material passed in the corresponding class.
This fun and bright math problem book will give you and your child many pleasant moments.
