kids creative and design, inc. hands on project …Ÿし算.pdfkids creative and design, inc. hands...
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2008/12/24Kids Creative and Design, Inc. Hands On Project
2008/12/18Kids Creative and Design, Inc. Hands On Project
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４ひく１で・・・３だね。
何と‘１’をたすと‘４’になる？
使い方イメージ
[ たし算 ]
2008/12/24Kids Creative and Design, Inc. Hands On Project
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2008/12/24Kids Creative and Design, Inc. Hands On Projectたし算
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