1+2+3+4+5+6+7+8+9......+99999+100000=?
回答 (6)
2006-10-22 11:58 pm
✔ 最佳答案
5000050000 
2006-10-23 12:01 am
(1+100000)/2 X100000
=500 005 000
=500 005 000
2006-10-23 12:01 am
(1+100000)X100000/2
=5000050000
=5000050000
2006-10-23 12:01 am
1+2+3+...+100000
=(1+100000)*100000/2
=5000050000
=(1+100000)*100000/2
=5000050000
2006-10-23 12:00 am
5000050000
收錄日期: 2021-04-29 22:12:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061022000051KK03233