求1至100之间全部奇数之和

1至100之间的奇数有:1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,99。这些数加起来的和为2500

    秒懂生活扩展阅读