10-6= 2-1= 10-7= 1+8= 7-4= 7+1= 7-2= 6+3= 3+4= 6-3= 4+3= 3-1= 5-3= 2+7= 2+1= 1+6= 9-6= 2+4= 6+2= 8+1= 7-4= 9-5= 1+3= 1+3= 9-3= 5-1= 4+2= 10-5= 6+2= 8-5= 2+2= 4+1= 5-2= 4-2= 6-5= 3-1= 8-6= 4+2= 2+6= 6-3= 2-1= 2+6= 10-5= 8-1= 6-1= 4+1= 10-2= 8-6= 3-2= 2+1= 8-3= 10-1= 8-6= 1+3= 10-7= 1+3= 3+1= 6+2= 8-5= 2+7= 6+4= 8-3= 2+3= 1+2= 7-3= 9-4= 3+2= 3+2= 4+1= 10-4= 3+6= 8+2= 6-3= 6-1= 1+7= 8-2= 4-1= 9-7= 6+3= 9-5= 9-8= 6-3= 6-2= 3+6= 2-1= 5+2= 10-4= 4+4= 9-1= 8-7= 3+3= 6+3= 6+3= 9-4= 7-4= 10-2= 1+8= 10-2= 4+5= 8-3= 5-2= 9-6= 3-2= 2+5= 7-3= 8-1= 3-2= 6+2= 2+5= 10-4= 2+4= 9-7= 4-2= 2+6= 4-2= 3+1= 1+9= 6-1= 3+6= 5+3= 本文来源：https://www.wddqw.com/doc/1a830f73a6e9856a561252d380eb6294dc882241.html