1、11-9= 12-9= 13-9= 14-9= 15-9= 16-9= 17-9= 18-9=,8+3= 8+4= 8+5= 8+6= 8+7= 8+8= 8+9=,7+4= 7+5= 7+6= 7+7= 7+8= 7+9=,1,2,3,2,3,4,5,6,7,8,9,11,12,13,14,15,16,11,12,13,14,15,16,17,9+2= 9+3= 9+4= 9+5= 9+6= 9+7= 9+8= 9+9=,5+6= 5+7= 5+8= 5+9=,4+7= 4+8= 4+9=,5,6,6+5= 6+6= 6+7= 6+8= 6+9=,4,11,12,13,14,15,11,12
2、,13,14,11,12,13,2+9=,8,3+8= 3+9=,7,12,11,11,10+1= 10+2= 10+3=10+4=10+5=10+6=10+7=10+8=10+9=,11-10= 12-10= 13-10= 14-10= 15-10= 16-10= 17-10= 18-10= 19-10=,11 12 13 14 15 16 17 18 19,1 2 3 4 5 6 7 8 9,11-1= 12-2= 13-3= 14-4= 15-5= 16-6= 17-7= 18-8= 19-9=,10 10 10 10 10 10 10 10 10,11-9 12-9 13-9 14-9 15-9 16-9 17-9 18-9,2,3,4,5,6,7,8,9,11-8 12-8 13-8 14-8 15-8 16-8 17-8,3,11-7 12-7 13-7 14-7 15-7 16-7,4,5,6,7,8,9,4,5,6,7,8,9,1,2,3,11-6 12-6 13-6 14-6 15-6,11-5 12-5 13-5 14-5,11-4 12-4 13-4,5,6,7,8,9,6,7,8,9,7,8,9,4,5,6,11-3 12-3,11-2,8,9,9,7,8,7,7,