2009-12-03 08:20:38拜足
數字 撲朔迷您 11
The following squares remain squares when you add 1 to each of their digits: 0, 25, 2025, 13225, 4862025, 60415182025, and 207612366025. (For example, 25 becomes 36.) Find the next such square.
http://mypaper.pchome.com.tw/littleflea/post/1320355806
(撲朔迷您 10 解答； 2100010006 )
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