2桁の借り入れあり · セット 53

20 problems
1
91 - 86 =
2
52 - 45 =
3
52 - 15 =
4
74 - 37 =
5
80 - 76 =
6
60 - 53 =
7
52 - 19 =
8
55 - 36 =
9
73 - 36 =
10
30 - 15 =
11
83 - 59 =
12
31 - 27 =
13
70 - 23 =
14
46 - 17 =
15
50 - 17 =
16
24 - 16 =
17
25 - 17 =
18
81 - 13 =
19
67 - 39 =
20
70 - 25 =
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