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Cover of The case of the ad that subtracts and other true math mysteries for you to solve

a novel ·

The case of the ad that subtracts and other true math mysteries for you to solve

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"Nonfiction math concepts are presented as mysteries for readers to solve. With the turn of a page, readers learn how to solve the true math mystery"--Provided by publisher.

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"Nonfiction math concepts are presented as mysteries for readers to solve. With the turn of a page, readers learn how to solve the true math mystery"--Provided by publisher.

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""Nonfiction math concepts are presented as mysteries for readers to solve. With the turn of a page, readers learn how to solve the true math mystery"--Provided by publisher."

— Margaret

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