|
1.
19 + 12 =
2
31
|
2.
37 + 10 =
2
47
|
3.
6 + 42 =
48
2
|
4.
49 – 4 =
45
2
|
|
5.
26 + 14 =
2
40
|
6.
24 – 13 =
1
11
|
7.
6 – 2 =
4
1
|
8.
7 – 4 =
3
1
|
|
9.
39 – 8 =
31
2
|
10.
9 – 6 =
1
3
|
11.
16 + 3 =
2
19
|
12.
4 – 3 =
1
2
|
|
13.
24 – 10 =
1
14
|
14.
29 + 15 =
44
2
|
15.
11 + 13 =
24
2
|
16.
42 – 40 =
1
2
|
|
17.
40 – 0 =
40
2
|
18.
36 – 35 =
1
2
|
19.
50 + 0 =
2
50
|
20.
4 – 4 =
2
0
|
|
1.
19 + 12 =
2
31
|
2.
37 + 10 =
2
47
|
3.
6 + 42 =
48
2
|
4.
49 – 4 =
45
2
|
|
5.
26 + 14 =
2
40
|
6.
24 – 13 =
1
11
|
7.
6 – 2 =
4
1
|
8.
7 – 4 =
3
1
|
|
9.
39 – 8 =
31
2
|
10.
9 – 6 =
1
3
|
11.
16 + 3 =
2
19
|
12.
4 – 3 =
1
2
|
|
13.
24 – 10 =
1
14
|
14.
29 + 15 =
44
2
|
15.
11 + 13 =
24
2
|
16.
42 – 40 =
1
2
|
|
17.
40 – 0 =
40
2
|
18.
36 – 35 =
1
2
|
19.
50 + 0 =
2
50
|
20.
4 – 4 =
2
0
|