文档介绍：2+6+2= 5+3+2= 4+0+3= 10-3-7= 9-3-6= 10-1-4=
7-2+4= 8+2-6= 10-4+3= 3+6-8= 8-7+16= 6+10-5=
19-4-5= 10-8+3= 7+8-4= 5+8-3= 2+3+7= 9+7-6=
7-4+7= 8+1+6= 11-1+5= 7-4+8= 8-3+8= 9+9-7=
8+7-5= 6-2+7= 16+2-2= 9+4-3= 11-0+7= 4+1+4=
8+6+4= 8+9-6= 9-1+7= 7+8-5= 4+1+6= 8+8-8=
11+7-7= 8-2+8= 19-4-4= 8+6-4= 16-5-1= 9-0+5=
4-2+9= 14-4+1= 6-2+8= 8+4-10= 6+9-5= 4+11-4=
7-0+6= 9-8+6= 9+2+4= 4+8+3= 5+9-10= 2-1+12=
9+8-7= 18-3-5= 9+4-3= 15+0-3= 9-8+6= 9-3+6=
6-4+9= 5+9-1= 0+2+8= 15-3-2= 12+2-1= 11+5-6=
5-3+9= 3+5+2= 7-4-2= 8+3-1= 8-8+4= 19-9+5=
9-6+3= 17-10-4= 6+6+7= 16-10+9= 4+6-8= 12-10+2=
7+9-8= 18-12-3= 4+9-6= 16-12-4= 12-1+3= 13-12+7=
6+9+2= 12-10+4= 14+4-1= 18-3-1= 2+8+5= 17-13+4=
17-4+1= 7+3-8= 15-14-1= 11+5-6= 17-15+6= 14-4+3=
8+8-9= 15-6+2= 12+5-9= 10-8+9= 11-2+3= 12-3+4=
16-7-3= 11-3+5= 16-6-5= 15-6-4= 14-5-4= 10-2+6=
18-9+7= 13+5-9= 13-9+7= 14-4-3= 18-8-2= 9+2+1=
6+6+4= 16-10+4= 3+7+5= 4+4+4= 5+4+5= 4+0+6=
16-6-9= 8+3+2= 19-6-9= 6+6+4= 16-10+4= 3+5+7=
8+2-1= 6+4-3= 7-2+5= 7-6+9= 3+2+5= 4+6+5=
5+4+5= 3+6+7= 10-1-8= 18-3-5= 19-6-9= 12-5-5=
13-4+6= 13-7+5= 14-4+4= 5+4-5= 7+3+6= 13-7-3=
16-6-9= 8+3+2= 19-6-9= 17-7-3= 14-6-4= 3+9+7=
5+9+5= 2+5+8= 3+4+7= 6+9+4= 13+7-5= 9+2+1=
18-8-2= 4+0+6= 16-10+4= 14-4+6= 12-3-7= 16-6-6=
14-5-4= 13-6-4= 14-5+5= 16-6+4= 11-9+1= 12-8-3=
12-9-2= 14-7+7= 12-4+5= 8+2+5= 16-6+3= 16-6+7=
12+3-5= 18-3+10=
20-10-3= 7+8-10= 5+9-4= 10-2+7=
16-6+9= 18-7-1= 8+7-5= 17-2-3= 4+9-2= 1+1+3=
17-1-1= 4+3+4= 20-9-4= 17-6-8= 2+5+4= 6+4+2=
20-1-8= 19-10-5= 15-3-4= 10+6+1= 20-3-2= 9+1+7=
13-6-6= 19-3-6= 11-4-1= 18-9-5= 13-3-3= 15-2-2=
4+5+3= 20-3-7= 19-4-8= 17-2-10= 3+7+1= 2+6+6=
10-5-5= 20-1-3= 10+1+9= 11-1-1= 16-4-5= 14-10-2=
16-3-2= 1+5+8= 13-6-4= 17-4-12=
14-2-9= 18-1-9=
16-2-5= 6+10+2= 13-2-5= 20-5-11= 8+2+4= 15-8-7=
13-3-10= 9+9+1= 11+4+6= 4+6+5= 4+8+5= 4+2+7=
6+2+3= 20-7-5= 18-3-1= 20-8-2= 12-2-1= 17-7-5=
17-4-9= 3+1+4= 4+4+6= 5+5+1= 2+4+7= 11-7-2=
18-3-8= 15-5-3= 9+4+7= 1+10+3= 2+8+5= 9-2-5=
11+8+4= 3+4+5= 9+3+7