摘要：
题目：A Pythagorean triplet is a set of three natural numbers, a b c, for which,a2 + b2 = c2For example, 32 + 42 = 9 + 16 = 25 = 52.There exists exactl... 阅读全文
摘要：
题目：The four adjacent digits in the 1000-digit number that have the greatest product are 9 9 8 9 = 5832. 7316717653133062491922511967442657474235534... 阅读全文