|
1.
34 – 31 =
1
3
|
2.
35 + 5 =
40
2
|
3.
41 + 4 =
2
45
|
4.
46 + 4 =
50
2
|
|
5.
10 – 8 =
1
2
|
6.
42 – 7 =
35
2
|
7.
21 + 6 =
27
2
|
8.
43 – 31 =
12
1
|
|
9.
7 – 1 =
6
1
|
10.
3 – 1 =
2
1
|
11.
46 + 4 =
50
2
|
12.
13 + 19 =
2
32
|
|
13.
32 – 15 =
17
2
|
14.
26 + 12 =
2
38
|
15.
8 – 7 =
2
1
|
16.
45 + 0 =
45
2
|
|
17.
34 + 14 =
2
48
|
18.
5 + 3 =
1
8
|
19.
39 – 1 =
2
38
|
20.
16 + 14 =
30
2
|
|
1.
34 – 31 =
1
3
|
2.
35 + 5 =
40
2
|
3.
41 + 4 =
2
45
|
4.
46 + 4 =
50
2
|
|
5.
10 – 8 =
1
2
|
6.
42 – 7 =
35
2
|
7.
21 + 6 =
27
2
|
8.
43 – 31 =
12
1
|
|
9.
7 – 1 =
6
1
|
10.
3 – 1 =
2
1
|
11.
46 + 4 =
50
2
|
12.
13 + 19 =
2
32
|
|
13.
32 – 15 =
17
2
|
14.
26 + 12 =
2
38
|
15.
8 – 7 =
2
1
|
16.
45 + 0 =
45
2
|
|
17.
34 + 14 =
2
48
|
18.
5 + 3 =
1
8
|
19.
39 – 1 =
2
38
|
20.
16 + 14 =
30
2
|