54543+546545+3546765+53656675=??????
65456+4356536543+4544+364435=??????
1+2+3+4+5+...+998+999+1000=??????
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maths
2007-12-13 3:00 am
回答 (8)
2007-12-13 3:17 am
✔ 最佳答案
54543+546545+3546765+53656675=5780452865456+4356536543+4544+364435=4356970978
1+2+3+4+5+...+998+999+1000=
用公比計:
S(1000)=1000(1+1000)/2=500500
參考: me
2007-12-14 1:56 am
54543+546545+3546765+53656675= 57804528
65456+4356536543+4544+364435=4356970978
1+2+3+4+5+...+998+999+1000= (1+1000)×1000÷2
=1001×1000÷2
=1001000÷2
=500500
65456+4356536543+4544+364435=4356970978
1+2+3+4+5+...+998+999+1000= (1+1000)×1000÷2
=1001×1000÷2
=1001000÷2
=500500
2007-12-13 4:42 am
1)=57804528
2)=4356970978
3)=500500
2)=4356970978
3)=500500
2007-12-13 3:21 am
54543+546545+3546765+53656675=57804528
65456+4356536543+4544+364435=4356970978
1+2+3+4+5+...+998+999+1000= 500500
Hope you can choose me as the best answer ~
65456+4356536543+4544+364435=4356970978
1+2+3+4+5+...+998+999+1000= 500500
Hope you can choose me as the best answer ~
參考: my knowledge
2007-12-13 3:12 am
54543+546545+3546765+53656675=57804528
65456+4356536543+4544+364435=4356970978
2007-12-12 19:12:36 補充：
1+2+3+4+5+...+998+999+1000=500500
65456+4356536543+4544+364435=4356970978
2007-12-12 19:12:36 補充：
1+2+3+4+5+...+998+999+1000=500500
2007-12-13 3:11 am
1)57804528
2)4356970978
3)500500
簡單死
2)4356970978
3)500500
簡單死
2007-12-13 3:08 am
57804528
收錄日期: 2021-04-14 01:14:03
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071212000051KK02698