[中學] 5列4行相加皆為10
各位前輩好,最近在教小孩做暑假作業,數學是小弟超弱項,試了好久都解不出來,只好
上來求救...
題型如下:
X X 3 X
X 4 X X
3 X X X
X X X X
X X X 1
X為未知,要橫直相加都是10,跪求解法...
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08/29 14:26, , 1F
08/29 14:26, 1F
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08/29 14:45, , 2F
08/29 14:45, 2F
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08/29 14:56, , 3F
08/29 14:56, 3F
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08/29 14:56, , 4F
08/29 14:56, 4F
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08/29 14:57, , 5F
08/29 14:57, 5F
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08/29 14:58, , 6F
08/29 14:58, 6F
推
08/29 15:31, , 7F
08/29 15:31, 7F
※ 編輯: roger700406 (36.234.155.101), 08/29/2014 15:32:13
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08/29 15:33, , 8F
08/29 15:33, 8F
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08/29 15:33, , 9F
08/29 15:33, 9F
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08/29 15:33, , 10F
08/29 15:33, 10F
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08/29 15:33, , 11F
08/29 15:33, 11F
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08/29 15:33, , 12F
08/29 15:33, 12F
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08/29 15:35, , 13F
08/29 15:35, 13F
推
08/29 15:47, , 14F
08/29 15:47, 14F
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08/29 16:07, , 15F
08/29 16:07, 15F
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08/29 20:22, , 16F
08/29 20:22, 16F
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08/29 20:22, , 17F
08/29 20:22, 17F
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08/29 20:22, , 18F
08/29 20:22, 18F
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08/29 20:22, , 19F
08/29 20:22, 19F
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08/29 20:44, , 20F
08/29 20:44, 20F
推
08/30 10:45, , 21F
08/30 10:45, 21F
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08/30 10:46, , 22F
08/30 10:46, 22F
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08/30 10:46, , 23F
08/30 10:46, 23F
推
08/30 14:58, , 24F
08/30 14:58, 24F
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08/30 17:24, , 25F
08/30 17:24, 25F
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08/30 19:37, , 26F
08/30 19:37, 26F
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08/31 09:35, , 27F
08/31 09:35, 27F