2桁の借り入れあり · セット 1

20 problems
1
44 - 35 =
2
32 - 22 =
3
88 - 48 =
4
28 - 16 =
5
84 - 72 =
6
92 - 73 =
7
71 - 25 =
8
80 - 36 =
9
90 - 83 =
10
12 - 10 =
11
41 - 17 =
12
61 - 14 =
13
89 - 87 =
14
51 - 30 =
15
84 - 52 =
16
90 - 35 =
17
88 - 46 =
18
73 - 15 =
19
64 - 47 =
20
45 - 24 =
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