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1、6+ 10 =6+ 10=13-3 =8+ 2=7+ 9 =9 + 1 + 416-6= 1(0+ 9 =14- 1 =8+ 3=7+ 5 =7 + 3 + 516- 10=8+ 10=10 + 2 =2+ 9=8 + 6 =7 + 4 + 610+ 3=133 =13-3 =19-9 =8 + 8 =7 + 8 + 33+10=5+ 10=3+ 15 =9+ 3=7 + 4 =6 + 4 + 713-3=1610 =18-8 =8+ 4=8+ 5 =8 + 2 + 513- 10=11 10 =5+ 5 =5+ 9=7+ 7 =5 + 4 + 610+ 5 =13- 10 =4+ 6 =8+
2、 6=6+ 5=7 + 2 + 35+10=18 10 =20- 20=4+ 9=1 + 9=3+ 4+ 1010+ 8 =10- 10 =12 + 4 =5+ 9=7+ 3 =11- 1-53+10=10+ 9 =8 8 =6+ 9=6+717- 7-311-1= 1(0 5 =10+ 0 =7+ 9=5+ 6 =19- 9+ 18 + 4 =9+ 7=9+ 7 =9+ 0=10- 7 =13- 3-48 + 5 =6+ 6=6+ 5 =5+ 8=6+ 7 =18- 10 -4=9 + 6 =4+ 9=2+ 8 =8+ 9=2+917- 10 -7=6+ 8 =6+ 5=7+ 7 =9+ 9
3、=9 + 4 =14- 10 +5=7+ 9 =5+ 8=8 + 8 =9+ 3=5+ 9 =16 10 +3=8+ 10 =5+ 7=4+ 8 =3+ 8=9+ 5=20 10 7=7 + 4 =8+ 7=8 + 6 =7+ 5=0 +11 =6 + 2 + 75+ 7 =4+ 8=7+ 6 =6+ 9 =19 16 =4 + 5 + 29+28 + 63+ 9=9+ 5 =0 +11 =3 + 5 + 77+87+ 10=5+9=7+ 7=0 + 3 =4 + 4 + 69+ 8 =2 + 83+89+ 4=3 +12 =4 + 3 + 29 + 2 =10 9 =6 + 4 =7+ 8=
4、19 6 =4 + 6 +5 =8 + 3 =2+ 10=7+ 2 =9+ 6=5 +12 =7 + 2 +4=6+ 7 =9+86+ 9 =8+ 3=9 + 0 =2 + 6 + 58+46+36+ 8=7+ 4=12+ 0 =7 + 1 + 71 + 9 =10+45+109+9=1 + 15 =6 + 3 + 410 5 =6+ 8=1338+418 7 =6 + 1 + 59+ 5 =9+ 3=3+ 8 =7+ 6=16 5 =5 + 2 + 48 + 27 + 4 =6+ 7 =9+45 1 =3 + 5 + 95 + 2 =8 + 3 =5 4=6+ 8 =15 3 =6 + 4
5、+ 18 + 9 =9+87+67+918 8 =3 + 6 + 5=10+ 8 =8 + 5 =9+ 6=9+ 8=9 1 =7 + 2 + 65+ 5 =9+57+89+ 3=19 6 =4 + 4 +9=4+65+ 9=6+78+ 4=12+ 1 =9 + 1 + 99 + 4=8+4=9+ 7=8+33 +10 =8 + 2 + 27 + 4 =6+58 + 66 + 614+ 1 =7 + 3 + 18 + 4 =6 + 66+ 8 =16-8=5 +10 =8 + 2 + 410 2 =7+78+5=3+9=12+ 1 =7 + 3 + 22 + 9 =9+ 7=5+ 8 =15-
6、4=6 1 =8 + 2 + 67+ 5 =8+ 8=8 + 4=11-2=19 14 =7 + 3 + 418 2 =9+ 2=4+ 8 =4+8=1 +11 =9 + 1 + 810+ 5 =5+ 7=9412+3=5 +14 =8 + 2 + 59 + 6=9+ 5=7+ 6 =16-8=0 + 0 =5 + 4 + 98 + 4 =7+ 9=6+ 7 =6+7=1 + 17 =5 + 2 + 29 + 4 =8+ 10=7+ 5 =14-9=1 + 15 =3 + 6 + 48+ 7 =6 + 105+719-9=16 0 =5 + 2 + 79+28+ 6=4+77+5=2 +13
7、=7 3 + 67+ 5 =1977+416-8=12+ 7 =7 2 + 77+ 9 =7+ 3=9+ 3 =18-9=3 +12 =4 + 2 38 + 5 =2+ 8=6+ 6 =6+7=18 11 =6 + 3 + 49+2=3+8=11-5=7+6=2 + 4 =4 + 2 + 512-4=6+5=13-5=8+5=19 11 =7 + 2 + 74+7=9+9=18-9=13-4=1 + 7 =8 + 1 + 217-7=5+7=7+7=6+6=10+ 4 =1 + 8 + 511-3=15-7=12-6=7+7=15 4 =6 + 3 + 96+8=14-8=9+6=16-2=6
8、 4 =10 1 + 211-4=5+8=2+9=11-6=19 10 =8 2 + 615-8=6+10=15-3=11-9=8 4 =4 + 4 2=9+8=3+9=15-6=12-8=17 14 =6 + 2 +7=8+7=16-7=5+6=10+6=14 12 =6+ 3 +7=16-8=6+6=15-9=17-8=16 11 =5 + 4 + 76+5=12-4=6+7=12-9=15+ 2 =4+ 5 +8=15-6=12-6=14-5=7+4=19 2 =1 + 0 +7=9+3=12-5=4+9=14-7=17+ 2 =9 6 1 =3+8=17-7=12-10=8+8=9 -
9、 2 =5 + 4 +6=10+6=16-7=9+6=6+7=2 +10 =5+ 1 +7=8+7=4+13=11-1 =6+6=0 + 7 =2 + 3 + 911-2=12-7=17-9=16-8=18- 13 =7 + 2 +6=5+6=9+8=15-9=7+4=0 + 2 =9 + 1 + 56+8=13+6=8+4=11-7=9 - 9 =7+ 3 +2=8+8=7+9=10+2=14-7=0 + 0 =10 + 84 =6+5=4+7=13-8=16-9=1 + 10 =7-2 +9=13-7=14-9=9+5=9+6=8 - 7 =6 + 2 +7=15-7=8+9=15-9=1
10、2-3=0 +11 =8 + 2 +7=7+8=8+3=7+5=12+3=1 + 4 =6-3 +9=9+4=13-9=7+6=17- 5 =16+ 1 =3 + 6 + 99+6=8+5=16-8=16- 1 =10+ 9 =2 + 6 + 58+6=10+5=9+9=6 + 10 =12- 10 =7 + 2 518-8=14-9=18-9=10+ 2 =11+ 3 =9 2 + 73+9=11-7=14-2=4 + 1 =17- 1 =8 2 + 811-3=5+6=15-8=4 +12 =14- 10 =9 - 4 + 711-2=16-9=4+8=14+ 1 =2 + 2 =8 -
11、2 + 715-7=13-7=12-8=7 - 2 =2 +11 =9 - 4 + 716-7=15-8=13-9=10+ 4 =18- 6 =6 + 2 + 98+5=10+3=9+3=13- 2 =12- 1 =8 - 2 + 37+8=13-8=9+5=15+ 4 =13- 11 =9 - 4 + 69+4=5+8=17-8=19- 14 =1 +18 =4 + 3 + 58+6=14-8=17-7=16- 4 =7 - 6 =6 + 2 - 315-8=13-4=18-4=4 +12 =7 - 1 =3 + 9 + 618- 5 =17- 11 =13+ 6 =17-15 =19- 1
12、8 =10- 5 + 416- 10 =5 4 =9 - 4 =16+ 1 =18- 3 =3 + 4 + 67 +10 =9 - 0 =18+ 1 =11+ 5 =0 + 6 =9 - 6 + 44 - O =18- 12 =17- 17 =12+ 4 =18- 1 =4 + 5 + 810- 10 =9 - 0 =15- 0 =17-10 =13- 10 =7 + 5 - 70 +16 =2 + 2 =13- 12 =13+ 2 =10- 10 =10-4-013+ 4 =6 5 =15- 13 =1 +14 =17- 3 =4 + 5 + 83 +12 =0 + 0 =0 +17 =11
13、+ 1 =2 +13 =2 + 3 + 4=2 + 14 =11- 10 =11 + 4 =2 + 11 =7 - 4 =6 + 3 + 814- 3 =11- 1 =3 - 1 =3 + 1 =5 + 1 =3 + 3 + 212- 0 =11+ 0 =13- 10 =5 + 4 =19- 5 =2 + 2 + 43 + 5 =10+ 7 =0 + 1 =7 +11 =6 +11 =4 + 8 + 711+ 1 =17- 1 =16+ 2 =10+ 3 =6 5 =10+ 2+ 73 + 4 =1 +14 =14+ 2 =1 + 7 =7 + 2 =12+ 6-512+ 5 =14+ 1 =
14、10+ 8 =11+ 0 =17- 15 =7 - 7 + 515- 3 =9 - 8 =11+ 5 =2 + 6 =3 + 5 =8 + 2 + 712+ 3 =17- 12 =1 + 17 =12-10 =3 + 1 =8 - 3 + 72 + 6 =19- 5 =7 - 3 =19- 11 =7 + 1 =5 + 2 + 310+ 7 =1 + 12 =11+ 1 =10+ 3 =17- 2 =6 + 2 + 29 - 9 =4 +12 =11+ 2 =19- 8 =4 + 3 =3 + 3 + 116- 1 =19- 13 =4 - 3 =17+ 0 =2 +16 =2 + 3 + 5
15、15- 3 =6 5 =13+ 1 =2 - 2 =2 +14 =3 - 0 + 719- 1 =2 + 6 =19- 18 =11- 1 =17- 10 =5 - 5 + 52 + 6 =18- 13 =12+ 7 =10+ 9 =1 + 7 =7 - 3 + 43 + 4 =16- 14 =18- 2 =8 +10 =7 + 1 =6 + 2 - 62 - 2 =7 - 3 =6 - 0 =9 5 =7 - 6 =8 - 7 + 613- 3 =8 - 6 =0 +18 =8 - 2 =10+ 9 =5 + 1 + 718- 11 =17+ 0 =2 - 2 =19- 3 =14+ 4 =
16、0 +36 - 3 =13+ 1 =5 +14 =5 - 2 =18- 5 =14 +47 - 1 =0 + 10 =6 - 1 =3 +11 =7 +10 =7 +011- 10 =11+ 3 =5 +10 =14+ 4 =5 +12 =18 -30 +11 =5 + 10 =5 - 5 =7 + 2 =2 + 4 =7 -117- 13 =2 + 2 =3 +11 =4 + 5 =9- 8 =10 + 117- 3 =1 - 0 =9 5 =9 - 8 =12+ 3 =1+ 148 + O =17- 1 =13- 10 =3 - 0 =1 + 1 =9 -55 - 3 =9 - 8 =7
17、- 3 =14- 12 =6 +11 =0+ 171 + 3 =5 +11 =10+ 5 =19- 5 =13- 2 =6 + 125 - 2 =7 - 6 =12+ 6 =19- 10 =12+ 7 =2 + 1014+ 5 =1 + 3 =2 +10 =14- 4 =13- 10 =16 - 1310+ 8 =2 - 1 =9 - 1 =12+ 1 =5 +13 =2 + 101 + 8 =12+ 6 =9 - 3 =6 - 0 =19- 1 =4 -417- 11 =11- 10 =7 - 6 =9 - 1 =2 +13 =2+ 1515- 11 =7 - 4 =16- 14 =8 -
18、0 =4 +13 =9 -08 - 6 =15- 2 =16- 13 =3 - 3 =10+ 2 =6+ 13=8 - I =2 +17 =5 +14 =13- 2 =1 +18 =18 - 1111+ 3 =5 +12 =16- 12 =18-15 =12+ 4 =0 + 1617- 4 =7 +11 =18- 7 =2 - 1 =2 + 1 =6 - 614- 2 =5 - 3 =0 + 4 =3 + 6 =4 +13 =5 +117- 14 =16- 14 =3 +12 =19- 7 =13+ 2 =16 - 1419- 15 =18- 2 =11+ 2 =13+ 0 =6 - 2 =4
19、+ 1219- 5 =10+ 1 =2 +15 =0 + 1 =4 - 1 =16 - 1412- 11 =3 + 3 =18- 4 =3 + 13 =12- 11 =4 -116- 16 =1 + 8 =1 + 13 =3 +12 =17- 11 =18 - 1218- 11 =18- 7 =0 +19 =17- 11 =0 +12 =3+ 1115- 11 =12+ 3 =18- 13 =2 + 3 =2 + 6 =5+ 121 + 7 =18- 16 =18- 6 =3 + 6 =19- 3 =7 -46 - 3 =13- 1 =19- 15 =4 + 5 =18- 12 =2+ 176
20、 - 6 =0 + 19 =9 - 2 =7 + 1 =7 - 5 =7+ 1112+ 3 =2 + 11 =7 - 3 =1 + 7 =17- 14 =1+ 158 - 0 =1 + 5 =15+ 3 =12+ 2 =6 + 1 =0+ 172 + 4 =19- 17 =3 + 6 =18- 6 =6 - 1 =16 -517- 10 =1 +15 =7 - 6 =16- 14 =15- 14 =7 +02 + 14 =5 + 13 =15+ 1 =19-19 =5 +11 =6 + 017- 2 =2 + 3 =14+ 0 =12- 12 =5 + 2 =16 - 14=0 + 1 =18
21、- 12 =18- 8 =3 - 0 =12+ 3 =3 +112- 11 =4 +11 =12+ 7 =4 - 0 =0 +18 =12 +514+ 5 =19- 1 =14+ 1 =19- 18 =19- 13 =18 + 012+ 4 =17- 11 =5 + 3 =9 - 1 =6 5 =15 -46 +10 =17- 16 =18- 1 =17- 6 =3 + 6 =12 + 16 +12 =12- 10 =5 +10 =19- 1 =1 + 8 =4 +417- 14 =11+ 1 =19- 17 =12- 11 =8 - 2 =3+ 105 - 3 =19- 19 =4 + 3
22、=1 +13 =3 +13 =6 -34 - 3 =3 + 1 =4 - 2 =18- 2 =7 - 5 =19 - 1913- 1 =15- 3 =7 - 1 =2 +14 =16+ 3 =13 - 131 + 10 =7 + 10 =15- 10 =8 +10 =10+ 0 =6 - 21 + I =3 - 2 =18- 3 =2 + 4 =6 +12 =15 +31 + 18 =13- 0 =15- 0 =1 +14 =16- 14 =12 +417+ 0 =16- 4 =2 - 2 =2 + 6 =2 + 4=6- 5 =19- 4 =11+ 2 =3 +15 =1 + 1 =8 4=
23、6+ 0 =0 + 9 =4 + 10 =0 +11 =12+ 4 =1 + 1 =8+ 1 =4 - 3 =0 + 5 =9 - 0 =6 - 1 =4 + 4=5- 1 =17+ 2 =16+ 1 =12- 10 =1 +14 =3-3=1 + 5 =1 + 7 =10+ 8 =5 + 2 =18-13 =4- 1 =9- 3 =18- 8 =3 - 0 =0 - 0 =3 + 15 =1 + 9=0+ 9 =11- 10 =12- 10 =7 - 3 =5 +12 =10-5=10 415- 12 =15- 11 =6 +10 =11+ 2 =3 + 6=3+ 5 =4 + 3 =3 +
24、 14 =2 +13 =1 +16 =0 + 6=10 78 4 =6 - 2 =9 - 1 =17- 16 =4+ 5=7+ 3 =10+ 2 =7 - 4 =15- 11 =19-17 =9-2=0+ 5 =13- 3 =1 + 12 =4 +15 =1 +11 =10-3 =9- 2 =15- 1 =16- 2 =10+ 3 =12- 1 =5 + 2=5+ 3 =16+ 2 =10+ 7 =2 + 5 =1 +15 =4+ 5=2+ 6 =1 + 2 =14+ 3 =11+ 8 =15- 11 =10-5=2+2=17- 16 =1 + 2 =5 +14 =13+ 5 =3 + 4=9
25、- 5 =18- 17 =12+ 3 =17- 15 =1 +13 =8-5=6+ 3 =6 5 =6 + 2 =16+ 3 =2 +10 =1 + 3=8+ 2 =16+ 1 =4 + 15 =2 + 3 =12- 2 =3+ 3=3+ 5 =7 - 1 =15- 1 =17- 6 =18- 6 =9-2=8- 6 =1 + 2 =12+ 3 =16- 1 =17- 5 =3+ 0=6+ 2 =15- 11 =19- 18 =11+ 6 =16-13 =6-6=9- 0 =19+ 0 =1 + 18 =7 - 1 =5 + 1 =9- 1 =8+ 2 =4 + 2 =16- 15 =1 -
26、1 =9 - 9 =9-0=3+ 4 =7 + 1 =5 - 2 =2 + 4 =3 + 14 =5-4=0+9=10+ 10 =6 - 1 =1 + 0 =15+ 4 =4+ 3=7- 1 =2 + 10 =0 + 4 =18- 15 =5 + 3 =6-3=2+ 5 =15- 13 =5 + 14 =3 + 0 =19- 8 =4-2=10 36 - 0 =8 - 0 =12+ 7 =19- 5 =5+ 3=10 313+ 4 =0 + 0 =19- 8 =13- 3 =8 4=8 5=18- 6 =18- 4 =1 + 16 =19- 8 =7+ 0=3+ 4 =9 - 0 =8 - 0
27、 =9 - 2 =9 - 6 =10-5=9- 2 =14- 2 =18- 6 =19- 14 =4 +12 =5- 1 =5+ 2 =0 +17 =10+ 6 =5 + 4 =7 +11 =4-0=4+ 5 =19- 19 =1 +14 =3 +13 =1 + 2 =10-8=9 5 =16- 3 =18- 4 =7 +11 =17-10 =5+ 5=10- 3=12+ 5 =10+ 3 =5 - 1 =14+ 0 =1 + 9=0+ 8 =6 + 1 =9 5 =4 + 1 =16- 1 =10-5=10 714- 10 =16- 6 =13- 10 =8 - 7 =9-2=6- 6 =6
28、 - 1 =15- 5 =5 + 3 =18- 4 =2+2 =5 4=18- 2 =19- 13 =11+ 5 =15- 14 =9- 5=4+ 3 =19- 1 =16- 14 =15- 4 =17- 17 =0+ 5=3+ 0 =16- 14 =2 +12 =11+ 3 =10+ 8 =5+ 3=9- 1 =17- 14 =17+ 2 =4 +14 =2 - 1 =2 + 6=9- 0 =1 + 14 =16- 11 =12- 10 =9 - 2 =6+ 3=6- 3 =2 + 6 =7 + 2 =14- 10 =14+ 5 =8 + 2=4- 2 =19- 5 =6 5 =15- 5
29、=8 - 7 =2+5=3+6=15- 15 =12- 1 =0 +11 =3 + 4 =7+ 3=9- 2 =14- 12 =15- 2 =11+ 0 =12+ 4 =9-0=10 51 + 15 =0 +11 =0 + 9 =19-10 =0+9=10- 8=1 + 8 =15+ 0 =5 + 0 =2 +12 =7- 1 =0+ 9 =3 + 2 =6 - 1 =5 + 0 =16+ 3 =6 + 2=7+ 0 =13- 12 =1 + 3 =9 + 0 =11+ 8 =8 + 2=5- 1 =18- 4 =13- 11 =9 - 7 =19- 4 =3 + 4=4- 0 =2 + 5
30、=10+ 5 =3 +11 =4 - 3 =2 + 5=10 417- 12 =12- 12 =6 +10 =19- 1 =10-3=3+ 5 =4 - 1 =5 - 2 =2 + 5 =18- 16 =0+7=1+8=15- 3 =1 +14 =6 +12 =14-13 =8- 6=8- 4 =18- 6 =1 +10 =15- 5 =15+ 2 =10-5=2+8=6 +13 =1 +14 =8 + 1 =17- 3 =3 + 4=9- 9 =18- 1 =3 + 10 =14+ 4 =3 + 16 =8-5=2+ 3 =12- 11 =17- 16 =10+ 9 =15- 12 =1 +
31、 3=7+ 2 =1 + 13 =12+ 2 =10+ 3 =18- 3 =2 + 4=6- 5 =3 +12 =16+ 2 =7 - 4 =6 - 1 =8 4=6+ 0 =14- 10 =11+ 6 =19- 16 =1 + 4 =8-4=1+9=7 +11 =10+ 6 =2 + 4 =11+ 2 =4 + 6=7- 3 =3 +12 =17- 5 =19- 3 =16+ 2 =6-2=2+ 8 =1 + 4 =18- 3 =1 + 7 =18-17 =7-2=10 414+ 3 =3 + 16 =15- 12 =6 +12 =4 + 4=5- 3 =10+ 6 =0 + 16 =16-
32、 2 =2 + 11 =9-2=6- 6 =2 + 15 =2 +12 =16- 2 =0 + 5 =10-3=8- 5=2 + 17 =10- 10 =19- 7 =1 + 2 =3 + 4=9- 5 =4 + 4 =18- 1 =8 - 8 =19- 5 =9-2=0+ 5 =14+ 3 =5 + 3 =10+ 7 =11+ 4 =3+ 0=6+ 2 =12+ 7 =10+ 3 =16- 0 =7 +12 =5+ 3=9- 1 =15- 14 =14- 2 =9 +10 =4 - 1 =4+ 5=2+ 6 =5 - 3 =2 +13 =18+ 0 =1 - 0 =3+ 0=2+5=8 +
33、0 =1 - 0 =19- 19 =2 + 2 =0+ 3=8+ 2 =6 - 3 =11- 1 =13- 11 =17- 1 =3+6=0+7=16- 2 =14- 10 =14- 13 =12- 11 =7+ 0=5+ 2 =11- 0 =13-10 =14- 2 =8 - 6 =8 + 2=5- 1 =10+ 6 =14- 3 =4 + 3 =17- 1 =9-0=3+ 4 =15- 12 =19- 18 =19- 18 =16- 1 =9-6=5+ 5 =10+ 2 =17- 3 =7 - 3 =17- 6 =4-2=10 3=11+ 1 =13- 10 =2 +10 =5 + 2 =
34、1+8 =0+ 6 =6 + 2 =12- 2 =17- 6 =9 5 =4 + 4=7+ 3 =2 + 13 =13+ 4 =5 + 2 =3 + 13 =10-0=9- 2 =1 + 12 =9 - 1 =2 + 1 =0 + 4 =9- 1 =9- 3 =18+ 1 =12- 12 =15- 2 =3 + 10 =8 5=2+2=1 + 14 =19- 10 =19- 12 =0 +11 =0+ 5=3+ 0 =17- 15 =2 + 3 =16- 16 =6 5 =8 + 2=0+ 3 =7 - 1 =19- 1 =1 + 4 =3 + 6 =5+ 1 =9- 3 =1 + 15 =1
35、9- 18 =19- 18 =17+ 1 =7+ 3=9- 2 =3 - O =7 - 0 =7 - 1 =18- 7 =2 + 6=9- 0 =3 +13 =0 + 10 =11+ 0 =18- 18 =9-2=6- 6 =5 +12 =19- 18 =15- 10 =4 + 3 =9-2=8 6 =1 + 13 =11+ 8 =12+ 3 =8 + 1 =8 6=5+ 1 =17- 5 =0 +18 =18- 14 =10+ 3 =7 + 2=5- 4 =8 - I =13+ 0 =2 + 2 =13- 11 =5 4=0+9=8 + 0 =3 + 6 =4 +12 =16- 5 =9-2
36、=6+ 2 =6 - 1 =2 + 3 =17+ 2 =2 - 1 =4-2=10 35 0 =3 - 0 =11+ 5 =1 +17 =5+ 5=7+ 2 =9 +10 =14- 11 =8 + 0 =10+ 3 =4+ 5=8 6 =11+ 7 =16- 0 =5 + 3 =6 + 3 =4 + 4=3+ 4 =1 + 8 =12- 2 =15- 1 =7 + 10 =2+2 =9- 0 =19- 4 =19- 15 =9 - 8 =5 +12 =8 4=6+4=18- 5 =8 + 11 =5 + 3 =11+ 2 =10-4=10 414+ 2 =3 + 4 =14- 12 =9 5
37、=9- 1 =4- 0 =4 +13 =2 + 7 =15- 1 =1 +16 =10-8=6+ 2 =3 +16 =11- 10 =2 - 2 =10+ 6 =7+ 0=3+ 5 =16- 6 =6 + 10 =17+ 2 =12- 1 =3+ 5=7+ 0 =8 - 6 =4 + 2 =9 - 4 =15- 5 =5-4=8+ 2 =1 + 15 =6 5 =1 +12 =11+ 2 =8 4=9 5 =17- 15 =14+ 1 =17- 16 =16- 1 =4-0=6+ 3 =18- 10 =15- 10 =1 +18 =7 +11 =10-5=6- 3 =10+ 5 =8 - 8 =5 + 3 =8 4 =9-0=10 516- 15 =16+ 2 =2 - 1 =7 - 2 =2+2 =5 4=