問題詳情
27.有一個人只知道 4 這 4 個數字。若只用這 4 個數字，總共可以組成多少個一位、兩位、三位、四位的數?
(A)340 個
(B)440 個
(C)256 個
(D)128 個
(A)340 個
(B)440 個
(C)256 個
(D)128 個
參考答案
無參考答案
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