問題詳情
43設數列 1，2，2，3，3，3，4，4，4，4，……，則第 2000 項的數值為多少?
(A)60
(B)61
(C)62
(D)63
(A)60
(B)61
(C)62
(D)63
參考答案
答案：D
難度：適中0.679054
統計：A(15),B(28),C(52),D(201),E(0)
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