由 1234door 於 星期六 五月 23, 2009 11:43 am
題目意思可由下面表示:
a......2 ->(1)
2a...... ->(2)
(2)是(1)的二倍
我們可先算出a的值,2/2=1
1b...2
21b...
依此類推:
10c...2
210c...
105d...2
2105d...
1052e...2
21052e...
10526...2
210526...
105263...2
2105263...
1052631...2
21052631...
10526315...2
210526315...
105263157...2
2105263157...
1052631578...2
21052631578...
10526315789...2
210526315789...
105263157894...2
2105263157894...
1052631578947...2
21052631578947...
10526315789473...2
210526315789473...
105263157894736...2
2105263157894736...
1052631578947368...2
21052631578947368...
10526315789473684...2
210526315789473684...
此時我們可發現最後的2可湊上去,就是答案了:
105263157894736842
210526315789473684
答案是:105263157894736842
天才
&
笨蛋