|
1.
39 – 7 =
32
2
|
2.
45 – 25 =
20
2
|
3.
42 – 2 =
2
40
|
4.
13 – 9 =
4
1
|
|
5.
2 – 1 =
2
1
|
6.
43 + 4 =
2
47
|
7.
48 – 3 =
2
45
|
8.
8 + 7 =
15
1
|
|
9.
40 + 3 =
43
2
|
10.
43 + 5 =
48
2
|
11.
11 + 2 =
1
13
|
12.
3 – 3 =
2
0
|
|
13.
9 – 7 =
1
2
|
14.
26 – 19 =
1
7
|
15.
39 + 6 =
2
45
|
16.
34 + 12 =
2
46
|
|
17.
5 + 33 =
2
38
|
18.
7 + 20 =
27
2
|
19.
33 – 14 =
2
19
|
20.
3 + 4 =
7
1
|
|
1.
39 – 7 =
32
2
|
2.
45 – 25 =
20
2
|
3.
42 – 2 =
2
40
|
4.
13 – 9 =
4
1
|
|
5.
2 – 1 =
2
1
|
6.
43 + 4 =
2
47
|
7.
48 – 3 =
2
45
|
8.
8 + 7 =
15
1
|
|
9.
40 + 3 =
43
2
|
10.
43 + 5 =
48
2
|
11.
11 + 2 =
1
13
|
12.
3 – 3 =
2
0
|
|
13.
9 – 7 =
1
2
|
14.
26 – 19 =
1
7
|
15.
39 + 6 =
2
45
|
16.
34 + 12 =
2
46
|
|
17.
5 + 33 =
2
38
|
18.
7 + 20 =
27
2
|
19.
33 – 14 =
2
19
|
20.
3 + 4 =
7
1
|