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1、9 + 9 =8 + 9 =11-2 =11-9 =11-8 =11-7 =7 + 9 =9 + 6 =11-6 =11-5 =9 + 5 =9 + 4 =7 + 8 =8 + 6 =11-4 =11-3 =8 + 8 =7 + 7 =11-2 =12-9 =12 8 =12-3 =9 + 3 =6 + 6 =15-9 =13-5 =14-7 =16-8 =6+5 =4 + 8 =15-8 =13-9 =13-8 =13-7 =13-6 =14-5 =3 + 17 =14-9 =20 + 0 =14+6 =16 + 4 =20-5 =13-5 =13-4 =20 7 =16-7 =18-9 =

2、17-8 =16-8 =20-8 =16-9 =2 + 18 =15-9 =13-9 =14-8 =14-9 =11-2 =13-4=14-5 =15-6 =16-7 =17-8 =18-9 =20 1 =9 + 9 =8 + 8 =7 + 7 =6 + 6 =8 + 7 =7 + 6 =8 + 6 =7 + 9 =20 2 =11-3 =12-3 =13-5 =14_6 =15-7 =16-8 =17-9 =12-4 =13-6 =14-7 =15-8 =19 + 1 =6 + 7 =9 + 6 =5 + 9 =15-9 =16-9 =17-9 =20-3 =20 4 =12-5 =13-7

3、 =14-8 =14-9 =15-9 =20-5 =20 + 0=12 6 =13-8 =18 + 2 =13-9 =16 + 4 =9 + 6 =5 + 6 =20-5 =7 + 7 =12-3 =8 + 8 =13-4 =6 + 8 =14-5 =9 + 7 =15-6 =16-7 =3 + 17 =17-8 =16+4 =18-9 =6 + 6 =9 + 9 =20 1 =6 + 9 =12-4=13-5 =14-6 =15-7 =16-8 =17-9 =12-5 =12-6 =15 + 5 =20 2 =4 + 16 =20 + 0 =12-7 =13-6 =13-7 =13-8 =1

4、4-7 =15-8 =16-9 =15-9 =13-9 =14 8 =14-9 =12-8 =12-9 =20-3 =20-6 =20-4 =3 + 17 =18 + 2 =1 + 19 =2 + 18 =11-2 =20-9 =12-3 =20-6 =13-4=13 8 =14-5 =17-8 =18-9 =5 + 15 =20-19 =6 + 14 =12-4=13-5 =14 6 =15-7 =16-8 =17-9 =13 + 7 =20-18 =12 + 8 =0 + 20 =19 + 1 =20 7 =11-3 =11-4 =20 17 =11-5 =20-16 =12-5 =13-

5、6 =13-7 =12-6 =14-7 =15-8 =20-8 =16-9 =20-1 =20-12 =13-9 =12-7 =12-8 =20-5 =11-6 =11-7 =11-8 =11-9 =20-1 =18-9 =17-8 =16 7 =15- 6 =17 + 3 =16- 7 =16+4 =15 6 =19 + 1 =11- 2 =14- 5 =18 + 2 =12- 4=13- 4 =17 + 3 =13- 5 =12- 3 =16 + 4 =14- 6 =15- 7 =14+6 =20-3 =11- 3 =11 + 9 =13- 7 =20-15 =14- 8 =11-7 =1

6、6- 8 =20-1 =13 + 7 =12- 5 =20-8 =11-6 =12-9 =15- 8 =11-8 =15 + 5 =17- 9 =204 =13 6 =11 4 =209 =13 8 =1 + 19 =11-9 =16 + 4=20-2 =16- 9 =12 + 8 =11-5 =20-12 =14- 7 =15- 9 =13- 9 =11-9 =11 + 9 =12-9 =12 + 8 =13 + 7 =13 9 =14 + 6 =14-9 =15-9 =15 + 5 =16-9 =16 + 4=17-9 =17 + 3 =18-9 =18 + 2 =20 + 0 =11-8

7、 =19 + 1 =12 8 =12-7 =13-8 =14-8 =15-8 =13-6 =20-1 =16-8 =11-7 =11-6 =12-6 =13-7 =20-19 =20 2 =13-5 =20-13 =13-4 =12-4 =11-5 =11-4 =11-3 =11-2 =12-3 =20 + 0 =20-3 =20 4 =20 5 =20-6 =12 5 =14-7 =14-6 =14-5 =15-6 =20-1 =11 + 9 =20-2 =12 + 8 =13 + 7 =14 + 6 =15 + 5 =16 + 4 =18-9 =17-9 =17-8 =16-9 =16-8

8、 =20-3 =20-4=20-5 =20-6 =15-9 =14-9 =13-9 =17 + 3 =18 + 2 =19 + 1 =20+0=13-8 =14-8 =15-8 =16-7 =20-7 =11-9 =11-8 =11-7 =11-6 =15-7 =20-8 =20-9 =15-6 =11-5 =12 9 =12-8 =12-7 =12-6 =12 5 =12-4 =11-4 =11-3 =11-2 =13-7 =11-6 =13-5 =13-4 =14-7 =11-2 =12-3 =13-4 =14-5 =)15-6 =16-7 =18-9 =20-1 =20 2 =0 + 2

9、0 =20-3 =11-3 =1 + 19 =12-4=13-5 =14-6 =15-7 =16-8 =17-8 =2 + 18 =20-4 =20-5 =20-6 =20-7 =3 + 17 =4+16 =5 + 15 =6 + 14 =16-9 =15-8 =14-7 =13-6 =13-7 =13-8 =13-9 =12 5 =12-6 =12-7 =12 8 =12 9 =11-4 =11-5 =11-6 =11-7 =7 + 13 =20-8 =2019 =20-18 =8 + 12 =9 + 11 =11-8 =11-9 =19 + 1 =11-9 =18 + 2 =20-19 =

10、20-18 =18 + 2 =20-17 =11-8 =11-7 =11-6 =11-5 =17 + 3 =16 + 4 =20-16 =15 + 5 =20 15 =11-4 =11-3 =11-2 =12-9 =12 8 =12-7 =12-6 =12 5 =20-14 =20-13 =20-12 =20-11 =12 4 =12 3 =13-9 =13-8 =14 + 6 =13-7 =13 + 7 =12 + 8 =13-6 =11 + 9 =20-9 =20 8 =20 7 =13-5 =13-4 =14-9 =14-8 =14-7 =14-6 =14-5 =15-9 =15-8 =

11、15-7 =15-6 =0 + 20 =1 + 19 =11-2 =12-3 =13-4 =14-5 =2 + 18 =3 + 17 =11-3 =12-5 =11-4 =12-4=14-5 =4 + 16 =5 + 15 =13-5 =11-5 =20-1 =20-19 =20-2 =6 + 14 =15-6 =16-7 =17-8 =18-9 =11-6 =12 6 =13-6 =14-6 =7 + 13 =8 + 12 =9 + 11 =20-18 =20-3 =20-17 =20-4 =15-7 =16-8 =17-9 =11-7 =11-8 =11-9 =12-7 =20-16 =1

12、2-8 =12-9 =13-7 =13-8 =13-9 =14-7 =14-8 =14-9 =11-3 =12-4=13-5 =14-6 =16-9 =15-8 =14-7 =14-8 =20-16 =20-18 =20-19 =11-9 =19 + 1 =18 + 2 =17 + 3 =16 + 4 =20-12 =20-13 =20-14 =20-15 =11-8 =9 + 11 =20-1 =20 2 =15-7 =16-8 =17-9 =20 17 =20 3 =20-4 =20 5 =20-6 =11-2 =13-4=15-6 =17-8 =20 7 =20-8 =20 9 =20-

13、11 =15 + 5 =14 + 6 =13 + 7 =12 + 8 =20 7 =20-8 =20-9 =20 11 =12-7 =12-8 =12-9 =11-9 =12 3 =14-5 =16-7 =18-9 =20 7 =20-8 =20-9 =20-11 =12 7 =12-8 =12-9 =11-9 =11-2 =13-4=15-6 =17-8 =20 3 =204 =20-5 =20-6 =15 + 5 =14 + 6 =13 + 7 =12 + 8 =11-4 =11-5 =11-6 =11-7 =20 7 =20-8 =20-9 =20 11 =15-7 =16-8 =17-

14、9 =20 17 =11-8 =9 + 11 =20-1 =20 2 =19 + 1 =18 + 2 =17 + 3 =16 + 4 =16-9 =15-8 =14-7 =14-8 =11-3 =12-4=13-5 =14-6 =12 7 =12-8 =12-9 =11-9 =15 + 5 =14 + 6 =13 + 7 =12 + 8 =12-3 =14-5 =16-7 =18-9 =20 3 =204 =20-5 =20 6 =11-2 =13-4=15-6 =17-8 =20 7 =20-8 =20-9 =20-11 =11-4 =11-5 =11-6 =11-7 =20 3 =204

15、=20-5 =20 6 =15-7 =16-8 =17-9 =20-17 =11-3 =12-4=13-5 =14_6 =11-8 =9 + 11 =20-1 =20 2 =16-9 =15-8 =14-7 =14-8 =19 + 1 =18 + 2 =17 + 3 =16 + 4=20-16 =20-18 =20-19 =11-9 =11-3 =12-4 =13-5 =14_6 =19 + 1 =18 + 2 =17 + 3 =16 + 4 =16-9 =15-8 =14-7 =14-8 =20-12 =20-13 =20-14=20-15 =11-8 =9 + 11 =20-1 =20-2

16、 =15-7 =16-8 =17-9 =2017 =15 + 5 =14 + 6 =13 + 7 =12 + 8 =12 7 =12-8 =12-9 =11-9 =11-2 =13-4 =15 6 =17-8 =20 7 =20-8 =20-9 =20-11 =11-4 =11-5 =11-6 =11-7 =12-3 =14-5 =16-7 =18-9 =20 3 =204 =20-5 =20-6 =11-4 =11-5 =11-6 =11-7 =20 7 =20-8 =20-9 =20-11 =11-2 =13-4=15-6 =17-8 =20 7 =20-8 =20-9 =20-11 =1

17、2-7 =12-8 =12-9 =11-9 =15 + 5 =14 + 6 =13 + 7 =12 + 8 =11-3 =12-4=13-5 =14-6 =15-7 =16-8 =17-9 =2017 =16-9 =15-8 =14-7 =14-8 =11-8 =9 + 11 =20-1 =20 2 =19 + 1 =18 + 2 =17 + 3 =16 + 4 =20-16 =20-18 =20-19 =11-9 =15-7 =16 8 =17-9 =20 17 =20-12 =20-13 =20-14 =20-15 =20-16 =20-18 =20-19 =11-9 =11-3 =12

18、4=13-5 =14-6 =16-9 =15-8 =14-7 =14-8 =19 + 1 =18 + 2 =17 + 3 =16 + 4 =11-8 =9 + 11 =20-1 =20-2 =20 7 =20-8 =20-9 =20-11 =11-2 =13-4=15-6 =17-8 =15 + 5 =14+6 =13 + 7 =12 + 8 =12-7 =12 8 =12-9 =11-9 =11-4 =11-5 =11-6 =11-7 =12-3 =14-5 =16-7 =18-9 =19 + 1 =18 + 2 =17 + 3 =16+4 =11-3 =12-4=13-5 =14-6 =2

19、0-16 =20-18 =20-19 =11-9 =20-12 =20-13 =20-14 =20-15 =16-9 =15-8 =14-7 =14-8 =15-7 =16-8 =17-9 =20 17 =20 7 =20-8 =20-9 =20-11 =12-7 =12 8 =12-9 =11-9 =11-2 =13-4=15-6 =17-8 =15 + 5 =14+6 =13 + 7 =12 + 8 =12-3 =14-5 =16-7 =18-9 =11-4 =11-5 =11-6 =11-7 =20-3 =20-4 =20-5 =20-6 =20-7 =20-8 =20-9 =20-11 =11-3 =12-4=13-5 =14-6 =16-9 =15-8 =14-7 =14-8 =19 + 1 =18 + 2 =17 + 3 =16 + 4=11-8 =9 + 11 =20-1 =20-2 =20-3 =20-4 =20-5 =20-6 =15

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