假设a > 1,
a=1可以化a > 1的例子。。。
回复:回复:伊朗奥赛题:完全方数的等差级数(3.5星)
本帖于 2009-03-18 18:54:37 时间, 由普通用户 康MM 编辑
假设a > 1,
a=1可以化a > 1的例子。。。
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