Front cover of If you were a plus sign by Trisha Speed Shaskan
2009 first published
III · Science

If you were a plus sign

Subjects Addition · Mathematical notation · Juvenile literature · Mathematics · Mathematics, juvenile literature
Language ENG
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If you were a plus sign, written by Trisha Speed Shaskan, is now in the public domain and available here for free download. this title joins thousands of works in our science collection.

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