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澎湖縣中正國中科技與資訊課程
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107_901 兩圓與公切線觀念(1129)
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資訊老師
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Nov 29, 2018, 12:32:12 AM
11/29/18
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to 澎湖縣中正國中科技與資訊課程
今天要探討的是兩圓與公切線的數量關係
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