[中學] 圓相切的問題
有三個圓兩兩外切,半徑分別為6,9,30,若有第四個圓與此三個圓均內切,求此圓的半
徑?
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推
04/14 14:38, , 1F
04/14 14:38, 1F
→
04/14 14:39, , 2F
04/14 14:39, 2F
→
04/14 14:39, , 3F
04/14 14:39, 3F
→
04/14 14:42, , 4F
04/14 14:42, 4F
→
04/14 14:48, , 5F
04/14 14:48, 5F
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