论文部分内容阅读
陈老师:在数学活动小组中,我们遇到了两道题:一是求偶(ou)数个连续(xu)自然数的和,一是求奇(ji)数个连续自然数的和。这两道题有简算方法吗?请您给我们讲讲。
Chen: In the group of mathematics activities, we encountered two problems: one is to find the sum of several consecutive natural numbers, and the sum of several consecutive natural numbers. Are there any simple methods for these two questions? Please tell us.