Re: [解題] GRE數學
※ 引述《johnqq88 (JOHN)》之銘言:
: 1.年級:GRE
: 2.科目:數學
: 3.章節:
: 4.題目:Let n denote the smallest positive interger that is divisible
: by both 4 and 9, and whose base-10 representation consists
~~~~~~~~~~~~~~~~~~~~~~
以10為底(即十進位)
(相對於電腦的二進位,或八進
位,十六進位等…)
: of only 4's and 9's, with at least one of each.
~~~~~~~~~~~~~~~~ 數字中只含4和9
(所有選項都符合此條件)
: What are the last four digits of n?
: (A)4444 (B)4494 (C)4944 (D)9444 (E)9944
題目簡譯:
有一個十進位四位數其數字為4和9的組合,且此四位數可被9及4整除,
求此數的最小值。
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推
12/24 08:01, , 1F
12/24 08:01, 1F
→
12/24 09:41, , 2F
12/24 09:41, 2F
推
12/24 09:58, , 3F
12/24 09:58, 3F
→
12/24 09:58, , 4F
12/24 09:58, 4F
推
12/24 11:01, , 5F
12/24 11:01, 5F
→
12/24 11:01, , 6F
12/24 11:01, 6F
推
12/24 13:01, , 7F
12/24 13:01, 7F
→
12/24 13:02, , 8F
12/24 13:02, 8F
推
12/24 16:27, , 9F
12/24 16:27, 9F
→
12/24 20:13, , 10F
12/24 20:13, 10F
→
12/24 20:15, , 11F
12/24 20:15, 11F
推
12/26 01:24, , 12F
12/26 01:24, 12F
討論串 (同標題文章)