問題詳情
7.將 1～200 的正整數中，所有除以 7 餘 2 的數由小到大排列。若第 17 個數為 a，第 23 個數為 b，則 b－a＝？
(A) 35
(B) 37
(C) 42
(D) 77
(A) 35
(B) 37
(C) 42
(D) 77
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增
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