硬幣應用2 | Baamboozle - Baamboozle | The Most Fun Classroom Games!

硬幣應用2

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1個2元硬幣可兌換多少個1角硬幣

20個1角硬幣

取出3個硬幣，組成2元硬幣總值

例子… 1個1元、2個5角

圖中硬幣總值可兌換成多少個5角硬幣

20個5角硬幣

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