1.
図書 |
National Council of Teachers of Mathematics
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2.
図書 |
National Council of Teachers of Mathematics
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3.
図書 |
National Council of Teachers of Mathematics
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4.
図書 |
National Council of Teachers of Mathematics
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5.
図書 |
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6.
図書 |
В.А.Гусев, А.Г.Мордкович
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7.
図書 |
Hans-Georg Steiner ; herausgegeben von Hans-Joachim Vollrath
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8.
図書 |
edited by Erkki Pehkonen
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9.
図書 |
by John R. Clark, Arthur S. Otis, Caroline Hatton
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10.
図書 |
National Council of Teachers of Mathematics
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