[中學] 嘉義高中100

看板Math作者 (叫我投手)時間14年前 (2011/10/13 01:25), 編輯推噓0(0推 0噓 8→)
留言8則, 3人參與, 最新討論串1/1
將3^33 + 1分解為三個整數之積, 使得每個因數都大於3^10. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.114.206.124
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10/13 01:44, , 1F
(3^11+1)(3^22+3^6+1)(3^22-3^6+1)
10/13 01:44, 1F
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10/13 01:45, , 2F
嗎？
10/13 01:45, 2F
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10/13 01:46, , 3F
22->11
10/13 01:46, 3F
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10/13 01:46, , 4F
(3^11+1)(3^11+3^6+1)(3^11-3^6+1)
10/13 01:46, 4F
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10/13 01:46, , 5F
第三數不確定有沒有大於 3^10
10/13 01:46, 5F
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10/13 01:47, , 6F
啊啊，忘了已經開方了
10/13 01:47, 6F
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10/13 01:49, , 7F
3^11-3^6=3*3^10-3^6>2*3^10>3^10
10/13 01:49, 7F
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10/13 01:50, , 8F
ttinff: thanks, it's cool.
10/13 01:50, 8F
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文章代碼(AID): #1EbSsRUP (Math)