level 9
(6+2-1)+0=(6+2-1)+0=7+0
,
(6+2-1)-(6+2-1)=0
,
7-7+0=0
,
0+0=0+1,2,3,4,5,6,7....-1,2,3,4,5,6,7...=0
,
0=0+1,2,3,4,5,6,7....-1,2,3,4,5,6,7....+1,2,3,4,5,6,7....-1,2.....
2013年09月07日 12点09分
1
,
(6+2-1)-(6+2-1)=0
,
7-7+0=0
,
0+0=0+1,2,3,4,5,6,7....-1,2,3,4,5,6,7...=0
,
0=0+1,2,3,4,5,6,7....-1,2,3,4,5,6,7....+1,2,3,4,5,6,7....-1,2.....