2桁の借り入れあり · セット 97

20 problems
1
23 - 18 =
2
75 - 37 =
3
61 - 15 =
4
31 - 23 =
5
65 - 37 =
6
53 - 34 =
7
21 - 19 =
8
62 - 38 =
9
24 - 18 =
10
20 - 15 =
11
81 - 34 =
12
83 - 17 =
13
93 - 35 =
14
83 - 27 =
15
34 - 28 =
16
40 - 33 =
17
41 - 36 =
18
76 - 68 =
19
75 - 47 =
20
73 - 16 =
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