math and applied math > Totally Quad say or name numbers in order



Contents ·No. 1 ·Containing Phrases ·More results... No. 1 完全平方数 完全平方数 完全平方数 完全平方数 完全平方数 完全平方数 完全平方数 完全平方数 完全平方数 完全平方数 完全平方数 　　This number is a factor of 3, so 9 | a. But 9 | 600, ∴ contradiction. It is not possible to have a perfect square. 　　[Example 6]: Find a four-digit number, it is a perfect square, and it's the same as the first two digits of the last two digits the same (1999 Primary Mathematics the World Invitational exam). Translated by Google Containing Phrases Totally Quad say or name numbers in order by a ... margin