1.9 - 8 = 19 - 7 = 213 - 9 = 47 - 2 = 512 - 7 = 5
2.10 - 7 = 312 - 3 = 910 - 7 = 36 - 3 = 312 - 4 = 8
3.9 - 0 = 99 - 6 = 37 - 6 = 15 - 4 = 13 - 2 = 1
4.4 - 3 = 17 - 3 = 47 - 0 = 711 - 5 = 63 - 3 = 0
5.16 - 8 = 814 - 7 = 711 - 8 = 317 - 9 = 812 - 6 = 6
6.7 - 1 = 67 - 6 = 15 - 1 = 45 - 2 = 38 - 6 = 2
7.8 - 6 = 217 - 8 = 913 - 5 = 89 - 6 = 35 - 3 = 2
8.11 - 9 = 26 - 5 = 110 - 4 = 65 - 4 = 113 - 9 = 4
9.4 - 1 = 37 - 3 = 44 - 2 = 29 - 5 = 46 - 6 = 0
10.10 - 2 = 810 - 1 = 98 - 7 = 19 - 1 = 83 - 1 = 2
11.9 - 3 = 69 - 1 = 89 - 8 = 16 - 5 = 18 - 7 = 1
12.16 - 7 = 914 - 5 = 913 - 7 = 617 - 9 = 810 - 6 = 4
13.6 - 2 = 411 - 2 = 910 - 5 = 514 - 8 = 69 - 2 = 7
14.15 - 6 = 911 - 4 = 713 - 4 = 912 - 9 = 310 - 3 = 7
15.15 - 7 = 816 - 9 = 78 - 3 = 511 - 3 = 812 - 3 = 9
16.15 - 8 = 711 - 3 = 87 - 2 = 518 - 9 = 96 - 1 = 5
17.13 - 7 = 614 - 5 = 914 - 8 = 66 - 1 = 510 - 9 = 1
18.5 - 1 = 412 - 5 = 712 - 5 = 714 - 9 = 513 - 6 = 7
19.11 - 4 = 711 - 8 = 310 - 2 = 815 - 6 = 915 - 9 = 6
20.10 - 8 = 210 - 6 = 49 - 4 = 53 - 1 = 28 - 1 = 7

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