[問題] 數字相乘其值皆為偶數之機率??
二數都是偶數的雙位數x二數都是偶數的雙位數
其值全部為雙位數之機率??
ex:22*22=484
這是別人問我的問題
但我怎麼想也想不出使其值皆為雙位數有什麼規則??
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09/18 22:39, , 1F
09/18 22:39, 1F
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09/18 23:10, , 2F
09/18 23:10, 2F
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09/18 23:10, , 3F
09/18 23:10, 3F
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09/18 23:44, , 4F
09/18 23:44, 4F
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09/18 23:45, , 5F
09/18 23:45, 5F
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09/19 02:17, , 6F
09/19 02:17, 6F
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09/19 02:28, , 7F
09/19 02:28, 7F
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09/19 02:43, , 8F
09/19 02:43, 8F
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09/19 03:07, , 9F
09/19 03:07, 9F
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09/19 03:08, , 10F
09/19 03:08, 10F
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09/19 03:08, , 11F
09/19 03:08, 11F
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09/19 15:06, , 12F
09/19 15:06, 12F
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09/19 15:08, , 13F
09/19 15:08, 13F
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09/19 15:28, , 14F
09/19 15:28, 14F
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09/21 22:20, , 15F
09/21 22:20, 15F
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09/21 22:36, , 16F
09/21 22:36, 16F
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09/23 13:02, , 17F
09/23 13:02, 17F
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09/23 13:07, , 18F
09/23 13:07, 18F
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