may be replaced by (2(b + c) − a)/3, (2(c + a) − b)/3, (2(a + b) − c)/3.
Can a number greater than 20 eventually appear on the board?
Thanks
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Impossible.
-innercool-
♀
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10/23/2009 postreply
21:15:26
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回复:求救:有没有好办法?
-火球魔法-
♂
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10/25/2009 postreply
16:31:37
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多谢大侠们不吝指教。
-cma-
♂
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10/26/2009 postreply
08:24:50