1.

図書

図書
Maria Blanton ... [et al.] ; Barbara J. Dougherty volume editor
出版情報: Reston : National Council of Teachers of Mathematics, c2011
シリーズ名: Essential understanding series / Rose Mary Zbiek series editor ; . A series for teaching mathematics
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2.

図書

図書
Thomas P. Carpenter, Megan Loef Franke, Linda Levi
出版情報: Portsmouth, NH : Heinemann, c2003
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