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1、5+ 3- 8 =8+ 8-13 二7+ 7+ 1 =16- 1- 6 =6- 4+ 6 =3+15-10 二16- 5+ 3 =1+ 5+12 =9- 2+ 4 =12- 1-10 =13+ 7-11 二4+ 8- 7 =7+ 5- 4 =14+ 3- 3 =4+15- 8 =18-17+ 4 二 2+15- 9 =2+ 8+ 2 =5+14-18 二13+ 2+ 2 =15- 6+ 8 =1+ 2+ 6 二2+ 8+10 =16- 11- 3 =12- 1+ 8 =3+ 5+ 6 二 16+ 4- 7 = 10- 1+ 3 =2+10- 9 = 15+ 1- 4 = 12+ 4-11 二6
2、- 6+11 二3+ 5- 7 二15- 10+ 8 二9- 4+15 二6+ 1+ 6 二6+ 8- 7 二7+11-15 二7- 5+ 1 二14- 8+14 二19-14+ 6 二15- 7+12 =10+ 3- 6 二14- 1-12 二6+11+ 2 二18 6+ 4 -12- 1+ 1 =12+ 7-10 =5- 1+16 =19- 6-11 =13- 13+ 9 =15- 7+ 6 =9+ 8- 8 =17- 7- 2 =19-13- 1 =15- 8+ 4 =19- 9- 3 =17+ 1+ 2 =8- 8+14 =1+13+ 3 =3+ 5+ 9 =17- 5- 4 =17-
3、 2+ 5 =18- 10+ 7 =9- 2+ 6 =2+10- 4 =18- 16+ 8 =14+ 6-15 =11+ 5-11 =9+ 9-16 =18+ 1-10 =9+10- 7 =1+17-16 =13- 4- 4 =3+ 3- 6 =13+ 1- 5 =6+ 9- 9 =14+ 6-19 =1+14- 5 =13- 2+ 4 =4+11- 3 =16- 10+ 3 =9+ 7-16 =3+13- 4 =2+ 9+ 3 =14- 7+ 1 =1+10+ 6 =8+ 4+ 2 =18-11+ 6- 74-1- 34+16- 15-5+1318- 4- 417+16-6+14- 118-
4、10+ 616-12+1114- 1- 42+15+12- 1- 416- 3+15-15+124+ 2+ 2 二19+1-5+11- 6 =5+6-5+ 2+13 =5+7-4+ 2+13 =13+3+7- 2+ 5 =6+12-4+ 8- 9 =1+6+52331113- 3+ 2 =11+ 3- 4 =19-17+13 =1+ 9-10 =3+14- 2 =4- 3+14 =15- 8+ 3 =8- 1- 2 =8+ 6- 7 =12- 4+11 =15- 8- 6 =13- 6+13 =14+ 5-12 =4- 3+ 3 =9- 2- 2 =18+ 2-14 =17- 6+ 6 =17
5、- 6+ 3 =19- 3-10 =7+11-15 =13- 13+16 = 13+ 3- 8 =8+10- 1 =18- 13- 2 =16+ 3-15 =18- 11+ 2 =10+ 6- 7 =7+ 2+ 1 =9+ 9- 3 =7+11- 5 =3+ 7- 4 =6- 1+10 =8- 8+18 =9- 8+11 =5+13- 9 =16- 3- 2 =11+ 6-14 =19- 1-16 =14+ 1- 9 =11+ 7- 5 =3+ 1+14 =8+ 8+ 3 =5+ 8- 7 =8+10-17 =2- 2+ 7 =2+15- 8 =15- 4+ 8 =5+ 9-11 =5+ 1+
6、12 =18- 12- 6 =10+ 9+ 1 =18- 1- 3 =10- 5+ 6 =13+ 1+ 5 =16- 7+11 =2+15-14 =18- 12+ 3 =19 14+ 4 =2+14+ 4 =4+15-13 =6+13- 4 =3+14-10 =15- 9+ 4 =8- 7+ 9 =13+ 3- 3 =3+ 7+ 8 =12- 7+15 =11- 7+10 =6+ 8- 5 =1+ 4- 5 =18+ 2-16 =5- 2+ 5 =5+ 8- 9 =10- 3- 5 =10+ 8+ 2 =17- 2- 7 =19- 2- 7 =12- 3+ 4 =18- 11- 5 =15+
7、1-13 =14+ 2- 3 =11+ 7+ 1 =5+13- 9 =6- 5+15 =2+ 5- 5 =5+13- 9 =2+ 5- 6 =13- 4- 5 =7- 5+ 2 =4- 1- 3 =10+ 9-19 =14- 5+ 1 =10- 8+ 5 =7- 4+ 9 =6- 5+ 4 =14- 1+ 3 =12- 5+13 =9- 6+ 9 =17- 15+ 1 =13- 2+ 1 =7- 1+ 4 =16- 9- 7 =5+ 7- 8 =5- 3+12 =10- 2- 7 =13- 8+ 5 =12- 7+15 =8- 6+ 6 =17- 17+14 =15+ 1-12 =14+ 4-
8、12 =7+11-17 =11- 3+ 9 =11- 5+13 =4+16-13 =5- 2+ 7 =14- 11+13 =17- 3- 9 =18- 5-12 =18- 6- 1 =9+ 1+ 5 =19- 13+13 = 12+ 7-14 =19- 2-10 =17- 14+ 3 =12+ 7- 4 =19- 9- 4 =1- 1+17 =3- 1+15 = 14+ 3+ 3 =11- 11+ 7 =7+ 5-12 =16- 12+ 2 =4- 4+ 3 = 16+ 3-13 =8+12- 5 =11+ 7+ 2 =15- 7+ 5 =15- 8- 1 =5+13-14 =1+ 2+12
9、=8- 7+ 8 =2+16- 2 =7+ 4- 5 =18- 16+18 = 10- 2- 2 =19- 8+ 3 二3+ 2+ 6 二3+ 3+ 5 -3- 3+ 7 二6+ 6+ 5 二16+ 2-14 二17- 15+ 4 二3+ 8- 6 二5- 4+12 二14- 8- 5 二8+ 4+ 4 二14- 2+ 1 二2+12- 2 二12+ 7- 3 二2+ 3+14 =2+ 3+ 3 二8- 1+12 =11+ 6- 8 =18- 12+10 =13+ 1- 2 =9+ 6+ 1 二3- 3+10 =15- 9- 3 =1+11+ 8 =1+17-13 二15- 15+12 =17
10、- 3+ 4 二1+ 9+ 3 二19- 11+ 7 二6+ 3+ 6 =17- 8- 8 =11+ 4- 1 =18+ 2-18 二15- 14+11 =15-12+12 =16+ 4- 1 =17-13+ 8 =5- 3+17 =19+ 1- 3 =1+ 5- 3 二4+ 2- 5 二19 9+10 =13- 8- 4 =9+ 4-11 =17+ 1- 9 =6- 2+11 =19- 2-16 =7+13-15 =18- 8- 7 =12- 9- 1 =5+ 4- 4 =12+ 2- 3 =8+ 4+ 3 =19- 3- 3 =14- 1+ 5 =5- 5+14 =2+18-19 =18-
11、 14+13 =10- 4+12 =17-16+ 3 =17-17+14 =6+ 8+ 1 二5- 4+ 4 =4+ 8+ 6 =2- 1- 1 =17- 1- 6 =14+ 4-10 =19- 10+ 2 =13- 13+12 =19- 5+ 4 =16- 16+16 =11+ 3-10 =6+ 9-14 =5- 5+12 =8- 1+ 4 =17+ 1- 2 =16- 8- 3 =19-15+ 9 =8+ 8- 6 =3+16-17 =10+10- 6 =2+15- 9 =17- 6- 5 =11- 1- 1 =3+ 4- 2 =9- 6+ 3 二16- 16+ 1 =3- 3+ 4 =4
12、+ 2+ 8 =10- 3+ 5 =8- 3+ 7 =7+ 7- 8 =15- 2- 6 =11+ 6-14 二6+ 8- 9 =7+ 8-14 二10- 8- 1 =11- 3- 3 =8+ 2+ 7 二3+15+ 2 =16- 3+ 1 =4+13+ 1 =4+ 9- 8 =6+ 8- 2 =5+ 7- 8 =7+ 1+10 =14- 14+ 2 =4+ 7- 7 =19-10+ 2 =17- 1+ 3 =6+14- 8 =9- 8+14 =4+ 4+ 6 =14+ 2- 1 =6- 1- 1 =14- 6- 2 =14- 6+10 =6+ 5+ 7 二3+12- 1 =14+ 4-16
13、=1+11- 6 =17- 2- 3 =16+ 4-12 =8- 8+ 4 =12+ 4+ 4 =2- 2+10 =14- 9+ 1 =1+ 2- 2 =8+ 9- 4 =9+ 7+ 1 =19-18+ 8 =13+ 5- 5 =8- 6+ 1 二19- 8+ 1 二19-17+ 6 二5+14- 2 二4- 3+ 8 二8- 4+ 9 二7- 6+17 二4- 1+12 二13- 5- 2 =3+13+ 2 二11- 3+ 3 二7+12- 3 二3- 3+ 2 二9+ 1- 7 二8+11+ 1 二6- 2+11 二14+ 4-14 二13+ 3_11 二2+ 8+10 二3- 3+16 二2+ 6+ 9 二10- 7+ 7 二15- 7+ 1 二2+15-17 二12- 8+10 二9- 1+ 2 =14+ 6- 3 =6+12+ 1 =2+18- 7 二17- 13+15 二2+ 1+ 7 二5+ 8- 6 =10+ 6- 7 =19- 9+ 6 =1+ 8- 3 =16- 15+ 8 =9+ 1- 2 =18- 15+11 =18- 3- 5 =