Re: [發錢] 額板好有學問
數-1
農場內雞兔共10隻
且雞兔共有34隻腳
試問雞兔相差幾隻？
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推
04/14 23:01, , 1F
04/14 23:01, 1F
推
04/14 23:01, , 2F
04/14 23:01, 2F
→
04/14 23:01, , 3F
04/14 23:01, 3F
推
04/14 23:02, , 4F
04/14 23:02, 4F
推
04/14 23:02, , 5F
04/14 23:02, 5F
推
04/14 23:02, , 6F
04/14 23:02, 6F
→
04/14 23:02, , 7F
04/14 23:02, 7F
→
04/14 23:02, , 8F
04/14 23:02, 8F
→
04/14 23:02, , 9F
04/14 23:02, 9F
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