108新課綱｜小五數學｜【概念】理解「幾分之幾圓」意義與「圓心角」的關係
Synopsis
【扇形：扇形的定義】 3️⃣【概念】理解「幾分之幾圓」意義與「圓心角」的關係 夏日午後，小數蛙和吉娃娃他們與朋友相約到 ...
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