更新1:
流星is wrong that the questionis not " 1+2+3+4+5+6+7+8+9+10 '', is "1+2+3+4+6+7+8+9+10 '', becareful of this.
easy maths ~~~~~~~~~
回答 (4)
2008-03-06 2:46 am
✔ 最佳答案
1+2+3+4+5+6+7+8+9+10 =(1+9)+(2+8)+(3+7)+(4+6)+10+5
=10+10+10+10+10+5
=55
2008-03-06 18:34:06 補充：
我錯了！
1+2+3+4+6+7+8+9+10
(1+9)+(2+8)+(3+7)+(4+6)+10
=10+10+10+10+10
=50
參考: no, no
2008-03-06 4:59 am
1+2+3+4+6+7+8+9+10
=10(1+2+3+4)+40(6+7+8+9+10)
=50!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
=10(1+2+3+4)+40(6+7+8+9+10)
=50!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
參考: me lo
2008-03-06 2:47 am
1+2+3+4+6+7+8+9+10
=5(1+9)
=50
上面嗰位係+埋中間個5
=5(1+9)
=50
上面嗰位係+埋中間個5
收錄日期: 2021-04-18 16:09:26
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080305000051KK01715