Liczby dwucyfrowe z pożyczaniem · Zestaw 99

20 problems
1
45 - 28 =
2
51 - 28 =
3
20 - 15 =
4
54 - 18 =
5
66 - 58 =
6
81 - 12 =
7
34 - 28 =
8
30 - 22 =
9
32 - 24 =
10
86 - 79 =
11
87 - 18 =
12
51 - 38 =
13
51 - 39 =
14
23 - 15 =
15
40 - 17 =
16
30 - 22 =
17
31 - 29 =
18
54 - 37 =
19
81 - 77 =
20
84 - 75 =
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