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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=,4,11,12,13,14,15,11,12,13,14,11,12,13,2+9=,8,3+8=3+9=,7,
2、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,
