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沙发
楼主 |
发表于 2008-12-7 07:38:00
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只看该作者
3 + 8 = 5 + 5 = 7 + 8 =
12 – 4 = 15 – 6 = 14 – 7 = 11 – 8 =
14 – 9 = 15 – 7 = 15 – 9 = 16 – 7 =
13 – 6 = 16 – 9 = 11 – 5 = 12 – 8 =
11 – 7 = 18 – 9 = 17 – 8 = 14 – 8 =
13 – 7 = 15 – 8 = 14 – 5 = 11 – 9 =
17 – 9 = 17 – 9 = 11 – 5 = 13 – 8 =
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