|
1.
13 – 4 =
9
1
|
2.
5 – 0 =
5
1
|
3.
7 + 35 =
42
2
|
4.
1 + 11 =
1
12
|
|
5.
37 + 0 =
37
2
|
6.
9 + 17 =
26
2
|
7.
3 + 1 =
1
4
|
8.
18 + 23 =
2
41
|
|
9.
40 – 20 =
20
2
|
10.
35 – 35 =
2
0
|
11.
35 + 12 =
47
2
|
12.
22 – 19 =
3
1
|
|
13.
12 – 1 =
11
1
|
14.
46 – 17 =
29
2
|
15.
28 + 1 =
2
29
|
16.
10 – 9 =
1
2
|
|
17.
23 + 9 =
2
32
|
18.
31 – 24 =
7
1
|
19.
38 + 9 =
47
2
|
20.
6 + 8 =
14
1
|
|
1.
13 – 4 =
9
1
|
2.
5 – 0 =
5
1
|
3.
7 + 35 =
42
2
|
4.
1 + 11 =
1
12
|
|
5.
37 + 0 =
37
2
|
6.
9 + 17 =
26
2
|
7.
3 + 1 =
1
4
|
8.
18 + 23 =
2
41
|
|
9.
40 – 20 =
20
2
|
10.
35 – 35 =
2
0
|
11.
35 + 12 =
47
2
|
12.
22 – 19 =
3
1
|
|
13.
12 – 1 =
11
1
|
14.
46 – 17 =
29
2
|
15.
28 + 1 =
2
29
|
16.
10 – 9 =
1
2
|
|
17.
23 + 9 =
2
32
|
18.
31 – 24 =
7
1
|
19.
38 + 9 =
47
2
|
20.
6 + 8 =
14
1
|