1+1=2,是件非常简单的事。早上醒来突然想到,原来就这样简单。
W,表示偶数;
W=(W/2+x)+(W/2-x)
6=(3+0)+(3+0)=3+3,
8=(4-1)+(4+1)=3+5,
10=(5+2)+(5-2)=7+3,
12=(6-1)+(6+1)=5+7,
14=(7-4)+(7+4)=3+11,
16=(8-3)+(8+3)=5+11,
18=(9-2)+(9+2)=7+11,
20=(10-3)+(10+3)=7+13,
22=(11-6)+(11+6)=5+17,
24=(12-1)+(12+1)=13+11,
26=(13+4)+(13-4)=17+9,
28=(14+3)+(14-3)=17+11,
30=(15+2)+(15-2)=17+13,
40=(20+3)+(20-3)=23+17,
50=(25+6)+(25-6)=31+19,
60=(30+1)+(30-1)=31+29,
70=(35+6)+(35-6)=29+41,
80=(40+3)+(40-3)=43+37,
90=(45+2)+(45-2)=47+43,
100=(50+3)+(50-3)=53+47,
...............
W,表示偶数;
W=(W/2+x)+(W/2-x)
6=(3+0)+(3+0)=3+3,
8=(4-1)+(4+1)=3+5,
10=(5+2)+(5-2)=7+3,
12=(6-1)+(6+1)=5+7,
14=(7-4)+(7+4)=3+11,
16=(8-3)+(8+3)=5+11,
18=(9-2)+(9+2)=7+11,
20=(10-3)+(10+3)=7+13,
22=(11-6)+(11+6)=5+17,
24=(12-1)+(12+1)=13+11,
26=(13+4)+(13-4)=17+9,
28=(14+3)+(14-3)=17+11,
30=(15+2)+(15-2)=17+13,
40=(20+3)+(20-3)=23+17,
50=(25+6)+(25-6)=31+19,
60=(30+1)+(30-1)=31+29,
70=(35+6)+(35-6)=29+41,
80=(40+3)+(40-3)=43+37,
90=(45+2)+(45-2)=47+43,
100=(50+3)+(50-3)=53+47,
...............