图说流程管理 电子版:关于最近的一系列数字题的问题

我也不懂，我只会穷举法。不过，即使12重循环也只用20分钟左右算完。我的机子是赛扬1.0处理器。不信你看:
2218个 不包括两个数字之间或三个式子之间互换的
1+3-4-5=6+7-8-10=2*9-11-12 1+3-4-5=6+10-9-12=2*7-8-11 1+3-4-7=6+10-11-12=2*5-8-9 1+3-4-9=6+7-10-12=2*5-8-11 1+3-5-6=4+9-8-12=2*7-10-11 1+3-5-7=4+9-10-11=2*6-8-12 1+3-5-8=4+6-9-10=2*7-11-12 1+3-5-9=6+7-11-12=2*4-8-10 1+3-6-7=4+9-10-12=2*5-8-11 1+3-7-8=4+6-9-12=2*5-10-11 1+3-7-8=4+6-10-11=2*5-9-12 1+4-2-6=7+11-9-12=3*5-8-10 1+4-2-6=8+10-9-12=3*5-7-11 1+4-3-5=6+12-10-11=2*7-8-9 1+4-3-5=7+8-6-12=2*9-10-11 1+4-3-5=8+10-9-12=2*7-6-11 1+4-3-6=5+10-7-12=2*8-9-11 1+4-3-7=8+10-11-12=2*5-6-9 1+4-3-8=5+10-9-12=2*6-7-11 1+4-3-9=7+8-10-12=2*5-6-11 1+4-3-10=5+7-8-12=2*6-9-11 1+4-3-10=5+7-9-11=2*6-8-12 1+4-5-6=3+9-7-11=2*8-10-12 1+4-5-9=3+6-8-10=2*7-11-12 1+4-6-8=3+9-10-11=2*5-7-12 1+4-6-10=5+7-11-12=2*3-8-9 1+4-7-9=3+6-8-12=2*5-10-11 1+5-2-7=4+11-8-10=3*6-9-12 1+5-2-7=8+11-10-12=3*4-6-9 1+5-2-9=4+8-7-10=3*6-11-12 1+5-2-11=6+7-8-12=3*4-9-10 1+5-3-4=6+11-8-10=2*9-7-12 1+5-3-4=7+10-6-12=2*9-8-11 1+5-3-4=8+12-10-11=2*7-6-9 1+5-3-7=4+10-6-12=2*8-9-11 1+5-3-7=8+9-10-11=2*6-4-12 1+5-3-8=4+7-6-10=2*9-11-12 1+5-3-9=4+7-6-11=2*8-10-12 1+5-3-9=4+10-8-12=2*6-7-11 1+5-3-9=7+10-11-12=2*4-6-8 1+5-3-11=4+7-9-10=2*6-8-12 1+5-3-11=6+8-10-12=2*4-7-9 1+5-4-7=2+10-8-9=3*6-11-12 1+5-4-7=3+8-6-10=2*9-11-12 1+5-4-9=3+8-6-12=2*7-10-11 1+5-4-10=3+8-7-12=2*6-9-11 1+5-6-7=2+11-8-12=3*4-9-10 1+5-6-8=3+11-10-12=2*4-7-9 1+5-6-9=2+8-7-12=3*4-10-11 1+5-6-9=4+10-11-12=2*3-7-8 1+5-6-10=3+8-9-12=2*4-7-11 1+5-6-11=4+7-10-12=2*3-8-9 1+5-7-8=4+10-11-12=2*3-6-9 1+5-7-9=3+8-10-11=2*4-6-12 1+5-8-9=4+7-10-12=2*3-6-11 1+6-2-4=7+9-5-10=3*8-11-12 1+6-2-4=8+10-5-12=3*7-9-11 1+6-2-8=3+10-7-9=4*5-11-12 1+6-2-8=4+12-9-10=3*5-7-11 1+6-2-8=7+11-9-12=3*4-5-10 1+6-2-10=4+9-7-11=3*5-8-12 1+6-2-10=7+8-9-11=3*4-5-12 1+6-2-12=5+7-8-11=3*4-9-10 1+6-2-12=5+7-9-10=3*4-8-11 1+6-3-4=5+11-7-9=2*10-8-12 1+6-3-4=7+9-5-11=2*10-8-12 1+6-3-4=7+12-9-10=2*8-5-11 1+6-3-4=9+10-7-12=2*8-5-11 1+6-3-5=4+12-7-10=2*9-8-11 1+6-3-5=9+10-8-12=2*7-4-11 1+6-3-7=5+8-4-12=2*9-10-11 1+6-3-7=8+11-10-12=2*5-4-9 1+6-3-8=9+10-11-12=2*4-5-7 1+6-3-9=4+12-10-11=2*5-7-8 1+6-3-11=4+9-8-12=2*5-7-10 1+6-3-12=5+8-10-11=2*4-7-9 1+6-4-7=3+10-5-12=2*8-9-11 1+6-4-8=3+7-5-10=2*9-11-12 1+6-4-8=7+9-10-11=2*5-3-12 1+6-4-9=3+7-5-11=2*8-10-12 1+6-4-10=7+9-11-12=2*3-5-8 1+6-4-12=3+7-8-11=2*5-9-10 1+6-4-12=3+7-9-10=2*5-8-11 1+6-5-8=7+9-10-12=2*4-3-11 1+6-5-9=2+10-7-12=3*4-8-11 1+6-5-9=2+10-8-11=3*4-7-12 1+6-5-11=2+7-8-10=3*4-9-12 1+6-5-11=4+9-10-12=2*3-7-8 1+6-5-12=3+7-9-11=2*4-8-10 1+6-7-8=3+10-9-12=2*4-5-11 1+6-7-9=5+8-10-12=2*3-4-11 1+6-7-11=3+4-8-10=2*5-9-12 1+6-8-10=3+4-7-11=2*5-9-12 1+7-2-3=9+12-8-10=4*5-6-11 1+7-2-3=10+11-6-12=4*5-8-9 1+7-2-5=6+9-4-10=3*8-11-12 1+7-2-9=4+11-6-12=3*5-8-10 1+7-2-9=4+11-8-10=3*5-6-12 1+7-2-9=5+8-4-12=3*6-10-11 1+7-2-9=6+11-8-12=3*4-5-10 1+7-2-11=6+8-9-10=3*4-5-12 1+7-3-4=5+10-6-8=2*11-9-12 1+7-3-4=8+10-5-12=2*9-6-11 1+7-3-4=8+10-6-11=2*9-5-12 1+7-3-5=4+11-6-9=2*10-8-12 1+7-3-5=6+9-4-11=2*10-8-12 1+7-3-5=9+12-10-11=2*6-4-8 1+7-3-5=10+11-9-12=2*6-4-8 1+7-3-6=5+10-4-12=2*9-8-11 1+7-3-8=2+10-6-9=4*5-11-12 1+7-3-8=6+12-10-11=2*5-4-9 1+7-3-9=5+10-8-11=2*6-4-12 1+7-3-10=4+5-6-8=2*9-11-12 1+7-3-10=4+11-8-12=2*5-6-9 1+7-3-10=6+9-8-12=2*5-4-11 1+7-3-11=4+5-6-9=2*8-10-12 1+7-3-11=5+10-9-12=2*4-6-8 1+7-3-12=4+8-9-10=2*5-6-11 1+7-4-5=3+12-6-10=2*9-8-11 1+7-4-8=3+12-9-10=2*6-5-11 1+7-4-9=2+8-5-10=3*6-11-12 1+7-4-9=2+10-6-11=3*5-8-12 1+7-4-9=8+10-11-12=2*3-5-6 1+7-4-11=6+9-10-12=2*3-5-8 1+7-5-6=4+8-3-12=2*9-10-11 1+7-5-8=2+12-9-10=3*4-6-11 1+7-5-8=3+6-4-10=2*9-11-12 1+7-5-9=3+6-4-11=2*8-10-12 1+7-5-9=3+12-10-11=2*4-6-8 1+7-5-10=2+9-6-12=3*4-8-11 1+7-5-11=3+9-8-12=2*4-6-10 1+7-5-12=2+6-8-9=3*4-10-11 1+7-5-12=4+8-10-11=2*3-6-9 1+7-6-8=3+12-10-11=2*4-5-9 1+7-6-8=5+10-9-12=2*4-3-11 1+7-6-9=4+11-10-12=2*3-5-8 1+7-6-10=3+9-8-12=2*4-5-11 1+7-6-11=4+8-9-12=2*3-5-10 1+7-8-9=2+6-5-12=3*4-10-11 1+7-9-10=4+5-8-12=2*3-6-11 1+8-2-3=7+12-5-10=4*6-9-11 1+8-2-4=9+10-5-11=3*7-6-12 1+8-2-4=9+12-7-11=3*6-5-10 1+8-2-5=7+9-3-11=4*6-10-12 1+8-2-6=4+12-5-10=3*7-9-11 1+8-2-6=9+11-7-12=3*5-4-10 1+8-2-10=5+7-4-11=3*6-9-12 1+8-2-10=5+11-7-12=3*4-6-9 1+8-2-12=4+7-6-10=3*5-9-11 1+8-3-4=5+12-6-9=2*10-7-11 1+8-3-5=4+10-6-7=2*11-9-12 1+8-3-5=6+11-4-12=2*9-7-10 1+8-3-5=7+10-4-12=2*9-6-11 1+8-3-7=2+12-6-9=4*5-10-11 1+8-3-9=4+10-5-12=2*7-6-11 1+8-3-9=4+10-6-11=2*7-5-12 1+8-3-10=5+9-7-11=2*6-4-12 1+8-3-10=6+11-9-12=2*4-5-7 1+8-3-11=4+10-7-12=2*5-6-9 1+8-3-11=5+6-4-12=2*7-9-10 1+8-4-6=2+11-5-9=3*7-10-12 1+8-4-6=3+11-5-10=2*9-7-12 1+8-4-7=5+12-9-10=2*6-3-11 1+8-4-10=2+7-5-9=3*6-11-12 1+8-4-10=3+5-6-7=2*9-11-12 1+8-4-10=3+11-7-12=2*5-6-9 1+8-4-12=3+5-6-9=2*7-10-11 1+8-4-12=5+9-10-11=2*3-6-7 1+8-5-6=9+11-10-12=2*4-3-7 1+8-5-7=2+10-4-11=3*6-9-12 1+8-5-9=2+7-4-10=3*6-11-12 1+8-5-9=2+11-6-12=3*4-7-10 1+8-5-9=6+11-10-12=2*3-4-7 1+8-5-11=4+10-9-12=2*3-6-7 1+8-6-7=5+12-10-11=2*4-3-9 1+8-6-10=3+5-4-11=2*7-9-12 1+8-6-12=2+5-7-9=3*4-10-11 1+8-6-12=4+7-9-11=2*3-5-10 1+8-7-9=2+6-4-11=3*5-10-12 1+8-7-10=3+5-4-12=2*6-9-11 1+8-7-11=2+5-6-10=3*4-9-12 1+8-9-10=3+5-6-12=2*4-7-11 1+8-9-10=3+5-7-11=2*4-6-12 1+9-2-3=10+12-6-11=4*5-7-8 1+9-2-5=4+12-6-7=3*8-10-11 1+9-2-5=6+12-4-11=3*7-8-10 1+9-2-5=8+10-4-11=3*7-6-12 1+9-2-5=8+12-7-10=3*6-4-11 1+9-2-7=6+10-3-12=4*5-8-11 1+9-2-7=8+11-6-12=3*5-4-10 1+9-2-7=10+11-8-12=3*4-5-6 1+9-2-11=5+10-6-12=3*4-7-8 1+9-2-11=6+7-4-12=3*5-8-10 1+9-2-11=7+8-6-12=3*4-5-10 1+9-3-4=6+10-5-8=2*11-7-12 1+9-3-4=10+12-8-11=2*7-5-6 1+9-3-5=4+12-6-8=2*10-7-11 1+9-3-5=7+8-2-11=4*6-10-12 1+9-3-5=7+12-6-11=2*8-4-10 1+9-3-7=4+12-5-11=2*8-6-10 1+9-3-7=4+12-6-10=2*8-5-11 1+9-3-7=5+11-4-12=2*8-6-10 1+9-3-7=5+11-6-10=2*8-4-12 1+9-3-7=6+10-4-12=2*8-5-11 1+9-3-7=6+10-5-11=2*8-4-12 1+9-3-8=4+12-6-11=2*7-5-10 1+9-3-8=6+7-2-12=4*5-10-11 1+9-3-8=6+10-5-12=2*7-4-11 1+9-3-10=2+8-6-7=4*5-11-12 1+9-3-10=4+12-8-11=2*5-6-7 1+9-3-10=5+8-4-12=2*7-6-11 1+9-3-11=5+8-7-10=2*6-4-12 1+9-3-11=6+10-8-12=2*4-5-7 1+9-3-12=4+6-5-10=2*7-8-11 1+9-3-12=6+7-8-10=2*5-4-11 1+9-4-5=6+7-2-10=3*8-11-12 1+9-4-5=8+11-6-12=2*7-3-10 1+9-4-7=2+12-5-10=3*6-8-11 1+9-4-11=3+10-6-12=2*5-7-8 1+9-4-11=6+7-8-10=2*5-3-12 1+9-4-12=3+7-5-11=2*6-8-10 1+9-5-6=4+8-2-11=3*7-10-12 1+9-5-6=8+10-7-12=3*4-2-11 1+9-5-7=3+10-4-11=2*8-6-12 1+9-5-7=4+12-8-10=2*6-3-11 1+9-5-8=3+10-4-12=2*7-6-11 1+9-5-8=4+7-2-12=3*6-10-11 1+9-5-10=4+6-3-12=2*7-8-11 1+9-5-11=3+4-6-7=2*8-10-12 1+9-5-11=3+7-4-12=2*6-8-10 1+9-5-11=3+10-7-12=2*4-6-8 1+9-5-12=2+7-6-10=3*4-8-11 1+9-5-12=3+4-6-8=2*7-10-11 1+9-6-7=2+8-3-10=4*5-11-12 1+9-6-7=2+11-4-12=3*5-8-10 1+9-6-7=4+12-8-11=2*5-3-10 1+9-6-7=8+11-10-12=2*3-4-5 1+9-6-10=5+8-7-12=2*4-3-11 1+9-6-12=3+7-8-10=2*4-5-11 1+9-7-8=2+10-5-12=3*4-6-11 1+9-7-8=2+10-6-11=3*4-5-12 1+9-7-8=3+10-6-12=2*5-4-11 1+9-7-8=4+12-10-11=2*3-5-6 1+9-7-11=3+4-5-10=2*6-8-12 1+9-7-12=3+4-6-10=2*5-8-11 1+9-7-12=4+6-8-11=2*3-5-10 1+9-8-10=3+7-6-12=2*4-5-11 1+9-8-11=3+4-6-10=2*5-7-12 1+9-8-11=4+6-7-12=2*3-5-10 1+10-2-3=8+12-5-9=4*6-7-11 1+10-2-4=8+12-6-9=3*7-5-11 1+10-2-6=4+11-5-7=3*8-9-12 1+10-2-6=7+11-3-12=4*5-8-9 1+10-2-6=9+12-7-11=3*5-4-8 1+10-2-8=6+9-3-11=4*5-7-12 1+10-2-8=7+9-4-11=3*6-5-12 1+10-2-8=9+11-7-12=3*4-5-6 1+10-2-12=4+8-6-9=3*5-7-11 1+10-2-12=5+9-6-11=3*4-7-8 1+10-3-4=7+8-5-6=2*12-9-11 1+10-3-4=9+12-6-11=2*8-5-7 1+10-3-5=6+9-4-8=2*11-7-12 1+10-3-5=6+12-4-11=2*9-7-8 1+10-3-5=6+12-7-8=2*9-4-11 1+10-3-6=7+11-4-12=2*8-5-9 1+10-3-7=4+8-5-6=2*11-9-12 1+10-3-7=4+11-6-8=2*9-5-12 1+10-3-7=6+9-2-12=4*5-8-11 1+10-3-9=6+12-8-11=2*5-4-7 1+10-3-11=4+8-6-9=2*7-5-12 1+10-3-11=7+8-6-12=2*5-4-9 1+10-3-12=4+5-6-7=2*8-9-11 1+10-3-12=4+8-5-11=2*6-7-9 1+10-3-12=4+8-7-9=2*6-5-11 1+10-3-12=6+9-8-11=2*4-5-7 1+10-4-5=6+12-7-9=2*8-3-11 1+10-4-5=9+12-8-11=2*6-3-7 1+10-4-6=2+12-5-8=3*7-9-11 1+10-4-6=5+7-2-9=3*8-11-12 1+10-4-6=5+7-3-8=2*11-9-12 1+10-4-6=5+9-2-11=3*7-8-12 1+10-4-6=7+8-3-11=2*9-5-12 1+10-4-6=7+11-8-9=3*5-2-12 1+10-4-7=3+12-6-9=2*8-5-11 1+10-4-7=6+9-3-12=2*8-5-11 1+10-4-8=2+11-5-9=3*6-7-12 1+10-4-8=3+12-5-11=2*7-6-9 1+10-4-8=6+9-5-11=2*7-3-12 1+10-4-9=5+7-3-11=2*8-6-12 1+10-4-9=7+8-5-12=2*6-3-11 1+10-4-12=2+7-6-8=3*5-9-11 1+10-4-12=3+6-5-9=2*7-8-11 1+10-4-12=3+9-6-11=2*5-7-8 1+10-4-12=7+8-9-11=2*3-5-6 1+10-5-6=3+12-4-11=2*8-7-9 1+10-5-6=4+11-3-12=2*8-7-9 1+10-5-7=4+9-2-12=3*6-8-11 1+10-5-7=8+9-6-12=3*4-2-11 1+10-5-8=6+12-9-11=2*4-3-7 1+10-5-9=2+12-6-11=3*4-7-8 1+10-5-9=4+8-3-12=2*7-6-11 1+10-5-11=6+9-8-12=2*3-4-7 1+10-5-12=3+9-7-11=2*4-6-8 1+10-6-8=2+7-3-9=4*5-11-12 1+10-6-8=3+9-4-11=2*7-5-12 1+10-6-8=3+12-7-11=2*5-4-9 1+10-6-8=7+11-9-12=2*3-4-5 1+10-6-9=3+12-8-11=2*4-5-7 1+10-6-12=5+7-8-11=2*3-4-9 1+10-7-8=3+9-4-12=2*6-5-11 1+10-7-8=3+9-5-11=2*6-4-12 1+10-7-9=2+5-4-8=3*6-11-12 1+10-7-9=4+8-6-11=2*5-3-12 1+10-7-9=4+11-8-12=2*3-5-6 1+10-7-11=3+6-4-12=2*5-8-9 1+10-7-12=3+6-8-9=2*4-5-11 1+10-8-9=4+5-3-12=2*6-7-11 1+10-8-9=5+7-6-12=2*4-3-11 1+10-8-11=3+6-5-12=2*4-7-9 1+10-8-12=4+5-7-11=2*3-6-9 1+10-9-11=4+5-6-12=2*3-7-8 1+11-2-3=8+10-5-6=4*7-9-12 1+11-2-5=7+8-4-6=3*9-10-12 1+11-2-5=9+10-6-8=3*7-4-12 1+11-2-7=4+10-5-6=3*8-9-12 1+11-2-9=6+8-3-10=4*5-7-12 1+11-2-9=7+8-4-10=3*6-5-12 1+11-2-9=7+10-4-12=3*5-6-8 1+11-2-9=7+12-8-10=3*4-5-6 1+11-3-4=8+12-5-10=2*9-6-7 1+11-3-5=7+9-2-10=4*6-8-12 1+11-3-5=8+9-6-7=2*10-4-12 1+11-3-6=5+12-4-10=2*9-7-8 1+11-3-6=7+10-2-12=4*5-8-9 1+11-3-6=8+9-2-12=4*5-7-10 1+11-3-7=5+8-2-9=4*6-10-12 1+11-3-7=5+9-4-8=2*10-6-12 1+11-3-7=5+12-6-9=2*8-4-10 1+11-3-8=2+12-6-7=4*5-9-10 1+11-3-8=4+10-6-7=2*9-5-12 1+11-3-8=5+12-6-10=2*7-4-9 1+11-3-9=4+7-5-6=2*10-8-12 1+11-3-9=5+6-4-7=2*10-8-12 1+11-3-9=5+12-7-10=2*6-4-8 1+11-3-9=7+10-5-12=2*6-4-8 1+11-3-10=5+6-4-8=2*9-7-12 1+11-3-10=8+9-6-12=2*5-4-7 1+11-3-12=4+10-8-9=2*5-6-7 1+11-3-12=5+6-4-10=2*7-8-9 1+11-3-12=6+8-7-10=2*5-4-9 1+11-4-5=7+10-6-8=2*9-3-12 1+11-4-6=7+10-3-12=2*8-5-9 1+11-4-7=5+10-2-12=3*6-8-9 1+11-4-7=6+8-3-10=2*9-5-12 1+11-4-7=8+9-6-10=3*5-2-12 1+11-4-7=8+12-9-10=2*5-3-6 1+11-4-8=5+12-7-10=2*6-3-9 1+11-4-8=7+10-5-12=2*6-3-9 1+11-4-9=2+8-5-6=3*7-10-12 1+11-4-9=2+10-5-8=3*6-7-12 1+11-4-9=2+12-7-8=3*5-6-10 1+11-4-9=6+8-3-12=2*7-5-10 1+11-4-9=6+8-5-10=2*7-3-12 1+11-4-9=7+10-6-12=2*5-3-8 1+11-4-12=3+8-5-10=2*6-7-9 1+11-5-6=4+9-2-10=3*7-8-12 1+11-5-6=7+12-8-10=3*4-2-9 1+11-5-6=8+9-4-12=2*7-3-10 1+11-5-8=2+10-4-9=3*6-7-12 1+11-5-8=4+6-2-9=3*7-10-12 1+11-5-8=4+10-3-12=2*7-6-9 1+11-5-8=4+10-6-9=2*7-3-12 1+11-5-9=4+7-3-10=2*8-6-12 1+11-5-10=2+7-4-8=3*6-9-12 1+11-5-12=2+8-6-9=3*4-7-10 1+11-5-12=6+8-9-10=2*3-4-7 1+11-6-7=3+8-2-10=4*5-9-12 1+11-6-8=5+12-9-10=2*4-3-7 1+11-6-9=3+8-4-10=2*7-5-12 1+11-6-9=4+7-2-12=3*5-8-10 1+11-6-9=7+10-8-12=2*3-4-5 1+11-6-12=3+8-7-10=2*4-5-9 1+11-7-8=2+9-4-10=3*5-6-12 1+11-7-8=4+5-2-10=3*6-9-12 1+11-7-9=3+8-5-10=2*6-4-12 1+11-7-10=2+6-4-9=3*5-8-12 1+11-7-10=2+8-6-9=3*4-5-12 1+11-7-10=3+8-4-12=2*5-6-9 1+11-7-12=2+5-6-8=3*4-9-10 1+11-7-12=5+6-8-10=2*3-4-9 1+11-8-9=4+7-6-10=2*5-3-12 1+11-8-9=4+10-7-12=2*3-5-6 1+11-8-12=3+5-6-10=2*4-7-9 1+11-8-12=3+5-7-9=2*4-6-10 1+11-9-10=2+5-6-8=3*4-7-12 1+11-9-10=4+7-6-12=2*3-5-8 1+12-2-3=10+11-5-8=4*6-7-9 1+12-2-4=9+10-5-7=3*8-6-11 1+12-2-4=10+11-5-9=3*7-6-8 1+12-2-4=10+11-6-8=3*7-5-9 1+12-2-5=7+11-3-9=4*6-8-10 1+12-2-5=8+10-3-9=4*6-7-11 1+12-2-6=5+11-4-7=3*8-9-10 1+12-2-6=8+10-4-9=3*7-5-11 1+12-2-6=9+10-3-11=4*5-7-8 1+12-2-7=5+10-3-8=4*6-9-11 1+12-2-8=7+9-3-10=4*5-6-11 1+12-2-8=7+10-5-9=3*6-4-11 1+12-2-10=4+8-5-6=3*7-9-11 1+12-2-10=6+7-3-9=4*5-8-11 1+12-2-10=7+9-4-11=3*5-6-8 1+12-2-10=7+11-8-9=3*4-5-6 1+12-3-4=8+11-6-7=2*10-5-9 1+12-3-5=6+10-4-7=2*11-8-9 1+12-3-5=8+11-4-10=2*9-6-7 1+12-3-6=5+11-4-8=2*10-7-9 1+12-3-6=7+9-4-8=2*10-5-11 1+12-3-6=9+10-4-11=2*8-5-7 1+12-3-7=5+8-4-6=2*11-9-10 1+12-3-7=6+10-2-11=4*5-8-9 1+12-3-7=6+10-5-8=2*9-4-11 1+12-3-8=4+9-5-6=2*10-7-11 1+12-3-9=6+7-2-10=4*5-8-11 1+12-3-9=6+10-4-11=2*7-5-8 1+12-3-10=4+9-6-7=2*8-5-11 1+12-3-10=5+11-7-9=2*6-4-8 1+12-3-10=6+7-4-9=2*8-5-11 1+12-3-10=7+9-5-11=2*6-4-8 1+12-3-11=4+9-6-8=2*7-5-10 1+12-3-11=5+8-4-10=2*7-6-9 1+12-3-11=6+10-8-9=2*5-4-7 1+12-4-6=5+8-3-7=2*11-9-10 1+12-4-6=5+11-3-10=2*9-7-8 1+12-4-6=8+11-7-9=3*5-2-10 1+12-4-6=9+10-5-11=2*7-3-8 1+12-4-7=6+10-3-11=2*8-5-9 1+12-4-7=6+10-5-9=2*8-3-11 1+12-4-8=2+10-5-6=3*7-9-11 1+12-4-8=3+10-5-7=2*9-6-11 1+12-4-8=5+9-2-11=3*6-7-10 1+12-4-8=5+11-6-9=2*7-3-10 1+12-4-8=9+10-7-11=2*5-3-6 1+12-4-9=3+10-6-7=2*8-5-11 1+12-4-9=6+7-3-10=2*8-5-11 1+12-4-10=2+9-5-7=3*6-8-11 1+12-4-10=2+11-6-8=3*5-7-9 1+12-4-10=3+7-5-6=2*9-8-11 1+12-4-10=5+8-3-11=2*7-6-9 1+12-4-10=7+9-6-11=2*5-3-8 1+12-4-11=3+10-7-8=2*6-5-9 1+12-5-6=4+9-3-8=2*10-7-11 1+12-5-6=7+9-3-11=2*8-4-10 1+12-5-6=7+9-4-10=2*8-3-11 1+12-5-7=3+10-4-8=2*9-6-11 1+12-5-7=4+10-2-11=3*6-8-9 1+12-5-7=8+10-6-11=3*4-2-9 1+12-5-8=3+7-4-6=2*10-9-11 1+12-5-8=4+6-3-7=2*10-9-11 1+12-5-9=3+10-6-8=2*7-4-11 1+12-5-9=4+7-2-10=3*6-8-11 1+12-5-9=7+8-6-10=3*4-2-11 1+12-5-10=4+6-3-9=2*8-7-11 1+12-5-10=4+9-7-8=2*6-3-11 1+12-5-11=2+10-6-9=3*4-7-8 1+12-5-11=2+10-7-8=3*4-6-9 1+12-5-11=4+6-3-10=2*7-8-9 1+12-6-7=3+10-4-9=2*8-5-11 1+12-6-7=4+9-3-10=2*8-5-11 1+12-6-7=8+11-9-10=2*4-3-5 1+12-6-7=9+10-8-11=2*4-3-5 1+12-6-8=2+11-4-10=3*5-7-9 1+12-6-8=3+7-2-9=4*5-10-11 1+12-6-8=3+10-5-9=2*7-4-11 1+12-6-8=4+9-3-11=2*7-5-10 1+12-6-8=5+10-7-9=3*4-2-11 1+12-6-9=5+11-8-10=2*4-3-7 1+12-6-10=2+8-4-9=3*5-7-11 1+12-6-10=7+9-8-11=2*3-4-5 1+12-6-11=3+10-8-9=2*4-5-7 1+12-6-11=5+8-7-10=2*4-3-9 1+12-7-8=3+10-4-11=2*6-5-9 1+12-7-8=4+9-5-10=2*6-3-11 1+12-7-9=4+6-2-11=3*5-8-10 1+12-7-9=6+10-8-11=2*3-4-5 1+12-7-10=3+4-5-6=2*8-9-11 1+12-7-10=5+8-6-11=2*4-3-9 1+12-7-11=4+9-8-10=2*3-5-6 1+12-8-9=3+7-4-10=2*6-5-11 1+12-8-9=3+10-6-11=2*4-5-7 1+12-8-10=2+7-5-9=3*4-6-11 1+12-8-10=3+7-4-11=2*5-6-9 1+12-8-10=3+7-6-9=2*5-4-11 1+12-8-10=4+9-7-11=2*3-5-6 1+12-8-11=3+7-6-10=2*4-5-9 1+12-9-10=3+4-5-8=2*6-7-11 1+12-9-10=3+7-5-11=2*4-6-8 1+12-9-11=3+4-6-8=2*5-7-10 1+12-9-11=4+6-7-10=2*3-5-8 2+3-1-7=6+9-8-10=4*5-11-12 2+3-4-6=5+9-8-11=1*12-7-10 2+3-4-6=5+10-8-12=1*11-7-9 2+3-4-6=5+11-9-12=1*10-7-8 2+3-4-8=5+6-7-11=1*12-9-10 2+3-4-8=5+7-9-10=1*11-6-12 2+3-4-8=6+7-9-11=1*10-5-12 2+3-4-8=6+10-11-12=1*7-5-9 2+3-4-10=5+6-8-12=1*9-7-11 2+3-4-10=5+7-9-12=1*8-6-11 2+3-4-10=5+9-11-12=1*6-7-8 2+3-5-7=4+8-9-10=1*11-6-12 2+3-5-7=4+9-8-12=1*10-6-11 2+3-5-7=4+11-10-12=1*8-6-9 2+3-5-7=6+8-10-11=1*9-4-12 2+3-5-7=6+9-10-12=1*8-4-11 2+3-5-9=4+6-7-12=1*10-8-11 2+3-5-9=4+6-8-11=1*10-7-12 2+3-5-9=4+10-11-12=1*6-7-8 2+3-5-11=4+6-9-12=1*7-8-10 2+3-5-11=4+7-10-12=1*6-8-9 2+3-6-8=4+9-10-12=1*7-5-11 2+3-6-10=4+5-9-11=1*8-7-12 2+3-6-10=4+8-11-12=1*5-7-9 2+3-7-9=4+8-11-12=1*5-6-10 2+4-1-6=5+11-8-9=3*7-10-12 2+4-1-6=8+12-10-11=3*5-7-9 2+4-1-8=5+10-7-11=3*6-9-12 2+4-1-8=7+10-9-11=3*5-6-12 2+4-1-10=5+7-8-9=3*6-11-12 2+4-1-10=6+8-7-12=3*5-9-11 2+4-3-6=5+11-9-10=1*12-7-8 2+4-3-6=7+9-8-11=1*12-5-10 2+4-3-6=7+10-8-12=1*11-5-9 2+4-3-6=7+11-9-12=1*10-5-8 2+4-3-6=8+11-10-12=1*9-5-7 2+4-3-8=5+9-7-12=1*11-6-10 2+4-3-10=6+7-8-12=1*9-5-11 2+4-3-10=7+9-11-12=1*6-5-8 2+4-3-12=5+6-9-11=1*8-7-10 2+4-5-6=3+10-7-11=1*12-8-9 2+4-5-6=3+12-9-11=1*10-7-8 2+4-5-6=7+8-9-11=1*10-3-12 2+4-5-6=8+10-11-12=1*7-3-9 2+4-5-8=3+7-6-11=1*12-9-10 2+4-5-8=3+9-7-12=1*10-6-11 2+4-5-8=6+9-10-12=1*7-3-11 2+4-5-8=7+9-11-12=1*6-3-10 2+4-5-10=3+7-8-11=1*9-6-12 2+4-5-12=3+6-9-11=1*7-8-10 2+4-5-12=3+7-10-11=1*6-8-9 2+4-6-7=3+9-8-11=1*10-5-12 2+4-6-7=3+10-8-12=1*9-5-11 2+4-6-7=3+11-9-12=1*8-5-10 2+4-6-7=5+9-10-11=1*8-3-12 2+4-6-9=3+5-7-10=1*11-8-12 2+4-6-11=3+5-7-12=1*8-9-10 2+4-6-11=3+5-9-10=1*8-7-12 2+4-6-11=3+8-10-12=1*5-7-9 2+4-8-9=3+7-10-11=1*6-5-12 2+5-1-9=6+12-10-11=3*4-7-8 2+5-1-11=6+9-8-12=3*4-7-10 2+5-3-7=4+11-8-10=1*12-6-9 2+5-3-7=4+12-9-10=1*11-6-8 2+5-3-7=6+9-8-10=1*12-4-11 2+5-3-7=6+11-8-12=1*10-4-9 2+5-3-7=6+12-10-11=1*9-4-8 2+5-3-9=4+8-6-11=1*12-7-10 2+5-3-9=4+8-7-10=1*12-6-11 2+5-3-9=4+12-10-11=1*8-6-7 2+5-3-9=6+7-8-10=1*11-4-12 2+5-3-9=6+8-7-12=1*10-4-11 2+5-3-9=6+11-10-12=1*7-4-8 2+5-3-9=8+10-11-12=1*6-4-7 2+5-3-11=4+7-6-12=1*10-8-9 2+5-3-11=4+8-7-12=1*9-6-10 2+5-3-11=4+10-9-12=1*7-6-8 2+5-3-11=6+8-9-12=1*7-4-10 2+5-3-11=7+8-10-12=1*6-4-9 2+5-4-8=3+9-6-11=1*12-7-10 2+5-4-8=3+9-7-10=1*12-6-11 2+5-4-8=3+10-6-12=1*11-7-9 2+5-4-8=3+11-7-12=1*10-6-9 2+5-4-8=6+11-10-12=1*7-3-9 2+5-4-10=3+6-7-9=1*12-8-11 2+5-4-10=3+7-8-9=1*11-6-12 2+5-4-10=3+11-9-12=1*7-6-8 2+5-4-10=6+7-9-11=1*8-3-12 2+5-4-10=6+8-9-12=1*7-3-11 2+5-4-12=3+6-7-11=1*9-8-10 2+5-4-12=3+6-8-10=1*9-7-11 2+5-4-12=3+7-9-10=1*8-6-11 2+5-4-12=3+8-9-11=1*7-6-10 2+5-4-12=3+9-10-11=1*6-7-8 2+5-6-8=3+11-9-12=1*7-4-10 2+5-6-8=4+10-9-12=1*7-3-11 2+5-6-10=3+4-7-9=1*11-8-12 2+5-6-10=3+8-9-11=1*7-4-12 2+5-6-12=3+4-7-11=1*8-9-10 2+5-7-9=3+4-6-10=1*11-8-12 2+5-7-9=4+8-10-11=1*6-3-12 2+5-7-9=6+8-11-12=1*4-3-10 2+5-7-11=3+4-6-12=1*8-9-10 2+5-7-11=3+8-10-12=1*4-6-9 2+6-1-4=7+11-5-10=3*8-9-12 2+6-1-4=9+11-5-12=3*7-8-10 2+6-1-8=3+12-7-9=4*5-10-11 2+6-1-8=5+9-4-11=3*7-10-12 2+6-1-8=7+11-9-10=3*5-4-12 2+6-1-10=3+9-7-8=4*5-11-12 2+6-1-10=5+12-9-11=3*4-7-8 2+6-1-12=4+8-7-10=3*5-9-11 2+6-1-12=5+9-8-11=3*4-7-10 2+6-3-8=5+9-7-10=1*12-4-11 2+6-3-8=5+11-7-12=1*10-4-9 2+6-3-10=4+7-5-11=1*12-8-9 2+6-3-10=4+8-5-12=1*11-7-9 2+6-3-10=5+7-8-9=1*11-4-12 2+6-3-10=5+11-9-12=1*7-4-8 2+6-3-12=4+5-7-9=1*11-8-10 2+6-3-12=4+7-8-10=1*9-5-11 2+6-3-12=5+7-9-10=1*8-4-11 2+6-3-12=5+8-9-11=1*7-4-10 2+6-4-5=7+12-9-11=1*10-3-8 2+6-4-5=8+9-7-11=1*12-3-10 2+6-4-5=8+10-7-12=1*11-3-9 2+6-4-5=8+12-10-11=1*9-3-7 2+6-4-7=3+11-8-9=1*12-5-10 2+6-4-7=3+12-8-10=1*11-5-9 2+6-4-9=3+8-5-11=1*12-7-10 2+6-4-9=5+8-7-11=1*10-3-12 2+6-4-9=8+10-11-12=1*5-3-7 2+6-4-11=3+5-7-8=1*12-9-10 2+6-4-11=3+7-5-12=1*10-8-9 2+6-4-11=3+7-8-9=1*10-5-12 2+6-4-11=3+9-7-12=1*8-5-10 2+6-4-11=3+10-8-12=1*7-5-9 2+6-4-11=5+7-9-10=1*8-3-12 2+6-4-11=7+8-10-12=1*5-3-9 2+6-5-8=3+9-7-10=1*11-4-12 2+6-5-8=3+11-7-12=1*9-4-10 2+6-5-8=4+9-7-11=1*10-3-12 2+6-5-8=4+10-7-12=1*9-3-11 2+6-5-8=4+12-10-11=1*7-3-9 2+6-5-10=3+8-7-11=1*9-4-12 2+6-5-10=3+9-7-12=1*8-4-11 2+6-5-10=4+9-8-12=1*7-3-11 2+6-5-10=7+9-11-12=1*4-3-8 2+6-5-12=3+4-7-9=1*10-8-11 2+6-7-8=3+5-4-11=1*12-9-10 2+6-7-8=4+11-10-12=1*5-3-9 2+6-7-10=4+8-9-12=1*5-3-11 2+6-7-10=5+9-11-12=1*3-4-8 2+6-8-9=3+4-5-11=1*10-7-12 2+6-8-9=4+10-11-12=1*3-5-7 2+6-8-11=3+7-9-12=1*4-5-10 2+6-8-11=4+7-10-12=1*3-5-9 2+7-1-3=11+12-8-10=4*5-6-9 2+7-1-5=6+11-4-10=3*8-9-12 2+7-1-5=9+12-8-10=3*6-4-11 2+7-1-9=5+10-4-12=3*6-8-11 2+7-1-9=6+8-3-12=4*5-10-11 2+7-1-9=6+11-8-10=3*5-4-12 2+7-1-11=4+8-5-10=3*6-9-12 2+7-1-11=4+10-8-9=3*5-6-12 2+7-3-5=8+12-9-10=1*11-4-6 2+7-3-9=4+10-5-12=1*11-6-8 2+7-3-9=4+11-6-12=1*10-5-8 2+7-3-9=5+8-6-10=1*12-4-11 2+7-3-9=6+8-5-12=1*11-4-10 2+7-3-9=8+11-10-12=1*6-4-5 2+7-3-11=4+6-5-10=1*12-8-9 2+7-3-11=4+8-5-12=1*10-6-9 2+7-3-11=5+8-6-12=1*9-4-10 2+7-3-11=8+9-10-12=1*5-4-6 2+7-4-6=5+11-8-9=1*12-3-10 2+7-4-6=5+12-8-10=1*11-3-9 2+7-4-8=3+10-5-11=1*12-6-9 2+7-4-10=5+8-6-12=1*9-3-11 2+7-4-10=5+11-9-12=1*6-3-8 2+7-4-12=3+5-6-9=1*11-8-10 2+7-4-12=3+6-5-11=1*10-8-9 2+7-4-12=3+10-9-11=1*6-5-8 2+7-4-12=5+8-9-11=1*6-3-10 2+7-4-12=6+8-10-11=1*5-3-9 2+7-5-9=3+8-4-12=1*11-6-10 2+7-5-9=3+8-6-10=1*11-4-12 2+7-5-9=4+8-6-11=1*10-3-12 2+7-5-9=4+12-10-11=1*6-3-8 2+7-5-9=8+10-11-12=1*4-3-6 2+7-5-11=3+4-6-8=1*12-9-10 2+7-5-11=3+6-4-12=1*10-8-9 2+7-5-11=3+10-8-12=1*6-4-9 2+7-5-11=4+9-8-12=1*6-3-10 2+7-5-11=6+9-10-12=1*4-3-8 2+7-6-8=3+9-5-12=1*10-4-11 2+7-6-10=3+4-5-9=1*12-8-11 2+7-6-10=3+11-9-12=1*5-4-8 2+7-6-12=3+4-5-11=1*9-8-10 2+7-6-12=3+8-9-11=1*5-4-10 2+7-6-12=3+9-10-11=1*4-5-8 2+7-8-10=3+4-5-11=1*9-6-12 2+7-8-12=3+6-9-11=1*4-5-10 2+7-8-12=4+6-10-11=1*3-5-9 2+7-9-11=3+4-8-10=1*6-5-12 2+7-9-11=3+6-8-12=1*4-5-10 2+8-1-3=9+12-5-10=4*6-7-11 2+8-1-4=6+11-5-7=3*9-10-12 2+8-1-4=9+12-5-11=3*7-6-10 2+8-1-4=9+12-6-10=3*7-5-11 2+8-1-10=4+12-6-11=3*5-7-9 2+8-1-10=5+9-4-11=3*6-7-12 2+8-1-10=6+7-3-11=4*5-9-12 2+8-1-10=7+9-6-11=3*5-4-12 2+8-1-12=4+7-5-9=3*6-10-11 2+8-1-12=4+9-6-10=3*5-7-11 2+8-1-12=5+10-7-11=3*4-6-9 2+8-1-12=6+9-7-11=3*4-5-10 2+8-3-6=9+11-7-12=1*10-4-5 2+8-3-10=4+11-6-12=1*9-5-7 2+8-3-10=5+7-4-11=1*12-6-9 2+8-3-10=5+7-6-9=1*12-4-11 2+8-3-10=5+12-9-11=1*7-4-6 2+8-3-10=6+7-4-12=1*11-5-9 2+8-3-10=7+11-9-12=1*6-4-5 2+8-3-12=4+6-5-10=1*11-7-9 2+8-3-12=4+7-5-11=1*10-6-9 2+8-3-12=5+6-7-9=1*10-4-11 2+8-3-12=5+7-6-11=1*9-4-10 2+8-3-12=5+10-9-11=1*6-4-7 2+8-3-12=7+9-10-11=1*5-4-6 2+8-4-5=9+10-6-12=1*11-3-7 2+8-4-5=9+11-7-12=1*10-3-6 2+8-4-7=6+9-5-11=1*12-3-10 2+8-4-7=6+10-5-12=1*11-3-9 2+8-4-9=3+11-5-12=1*10-6-7 2+8-4-11=3+6-5-9=1*12-7-10 2+8-4-1

coool

是采用穷举法，同时必须考虑冗余

babayu，这个问题，我的计算时间是140秒