for example: 214365 is not
70
You are close, but not exactly
72=(5!-4!*2)
This seems to be the best solution, can you reveal details?
Thanks.
details? please!
回复：details? please!
2*4!可以理解，5!仍不太明白。anyway, thank you!
回复：2*4!可以理解，5!仍不太明白。anyway, thank you!
jinjing
2010-04-14 17:33:2970