|
1.
45 – 20 =
25
2
|
2.
19 – 14 =
1
5
|
3.
2 – 1 =
1
2
|
4.
14 – 12 =
2
1
|
|
5.
31 + 19 =
50
2
|
6.
26 + 14 =
40
2
|
7.
27 + 13 =
40
2
|
8.
3 – 3 =
2
0
|
|
9.
49 – 4 =
2
45
|
10.
17 – 10 =
7
1
|
11.
18 + 32 =
50
2
|
12.
33 + 2 =
2
35
|
|
13.
11 + 14 =
25
2
|
14.
9 + 15 =
2
24
|
15.
46 + 2 =
48
2
|
16.
12 – 6 =
1
6
|
|
17.
46 + 4 =
2
50
|
18.
22 – 6 =
16
2
|
19.
49 + 1 =
2
50
|
20.
1 + 32 =
2
33
|
|
1.
45 – 20 =
25
2
|
2.
19 – 14 =
1
5
|
3.
2 – 1 =
1
2
|
4.
14 – 12 =
2
1
|
|
5.
31 + 19 =
50
2
|
6.
26 + 14 =
40
2
|
7.
27 + 13 =
40
2
|
8.
3 – 3 =
2
0
|
|
9.
49 – 4 =
2
45
|
10.
17 – 10 =
7
1
|
11.
18 + 32 =
50
2
|
12.
33 + 2 =
2
35
|
|
13.
11 + 14 =
25
2
|
14.
9 + 15 =
2
24
|
15.
46 + 2 =
48
2
|
16.
12 – 6 =
1
6
|
|
17.
46 + 4 =
2
50
|
18.
22 – 6 =
16
2
|
19.
49 + 1 =
2
50
|
20.
1 + 32 =
2
33
|