1.

図書
図書
1. Discrete mathematics across the curriculum, K-12 : 1991 yearbook
editor, Margaret J. Kenney, Christian R. Hirsch
出版情報: Reston, Va. : National Council of Teachers of Mathematics, c1991
シリーズ名: Yearbook / National Council of Teachers of Mathematics ; 1991
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2.

図書
図書
2. Calculators in mathematics education
James T. Fey, 1992 yearbook editor, Christian R. Hirsch, general yearbook editor
出版情報: Reston, Va. : National Council of Teachers of Mathematics, c1992
シリーズ名: Yearbook / National Council of Teachers of Mathematics ; 1992
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3.

図書
図書
3. Teaching and learning mathematics in the 1990s
Thomas J. Cooney, 1990 yearbook editor, Christian R. Hirsch, general yearbook editor
出版情報: Reston, Va. : National Council of Teachers of Mathematics, c1990
シリーズ名: Yearbook / National Council of Teachers of Mathematics ; 1990
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