The transcontinental railroad : using proportions to solve problems. [electronic resource]

Autor:	Shea, Therese, author
Jazyk:	angličtina
Informace o vydání:	New York : The Rosen Publishing, Group's PowerKids Press, 2007.
Předmět:	Ratio and proportion -- Juvenile literature Problem solving -- Juvenile literature Railroads -- United States -- History -- Juvenile literature Electronic books
Druh dokumentu:	Online; Non-fiction; Electronic document
Databáze:	Vybrané kolekce e-knih
Externí odkaz:	Kolekce e-knih KNAV Registrovani uzivatele: plny text online 5 minut, dalsi pristup na vyzadani. Registered users: full text online 5 minutes, further access on request.