摘要： Problem 6: The sum of the squares of the first ten natural numbers is, 12+ 22+ ... + 102= 385 The square of the sum of the first ten natural numbers is, (1 + 2 + ... + 10)2= 552= 3025 Hence the difference between the sum of the squares of the first ten natural numbers and the square of the sum is 30 阅读全文