題:
P.2 Maths
?
2006-10-17 17:54:41 UTC
P.2 maths is a geart thing. Do you kwon about it? If you do not kwon, plases call 21949404.


90+90+90+90+900+900+900+900+9+9+9+9=??????????
十 答案:
maktsunhang27
2006-10-17 17:59:42 UTC
90+90+90+90+900+900+900+900+9+9+9+9

=90x4+900x4+9x4

=360+3600+36

=3960+36

=3996
朋友
2007-03-11 13:47:28 UTC
發問者評價:

Thank you! It is



90+90+90+90+900+900+900+900+9+9+9+9

=90x4+900x4+9x4

=360+3600+36

=3960+36

=3996! ← factorial???????
HO Yin
2006-10-19 17:10:19 UTC
90+90+90+90+900+900+900+900+9+9+9+9

=3996
Gigi Lau
2006-10-17 22:09:33 UTC
90+90+90+90+900+900+900+900+9+9+9+9=3996
?
2006-10-17 20:53:16 UTC
3942! OK! OK !
Touhou
2006-10-17 20:39:24 UTC
90+90+90+90+900+900+900+900+9+9+9+9

=3996
?
2006-10-17 19:55:02 UTC
90+90+90+90+900+900+900+900+9+9+9+9=

（90+900+9）×4=

999X4=

3996
candy
2006-10-17 17:58:40 UTC
===3996
?
2006-10-17 17:58:34 UTC
90+90+90+90+900+900+900+900+9+9+9+9

=3996
?
2006-10-17 17:57:25 UTC
3636~


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