从1叠加到100 echo $[$(echo +{1..100})] echo $[(100+1)*(100/2)] seq -s '+' 100 |bc 相关文章： 2022-02-08 2021-08-09 2022-12-23 2021-12-01 2022-12-23 2022-12-23 2022-12-23 2021-10-24