我的2(1)和你的結果是一樣的,一個1/3的扇形+兩個1/6的弓形=兩個1/3的弓形
所有跟帖:
• 哈哈!我看到兩個1/3扇形,共同覆蓋了一個菱形 -15少- ♂ (0 bytes) () 03/27/2023 postreply 12:27:34
• 經常腦筋轉不了急彎。汗! -wxcfan123- ♂ (0 bytes) () 03/27/2023 postreply 13:03:24
• 哈哈!我看到兩個1/3扇形,共同覆蓋了一個菱形 -15少- ♂ (0 bytes) () 03/27/2023 postreply 12:27:34
• 經常腦筋轉不了急彎。汗! -wxcfan123- ♂ (0 bytes) () 03/27/2023 postreply 13:03:24
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