|
1.
47 – 42 =
1
5
|
2.
31 – 16 =
1
15
|
3.
12 – 12 =
0
2
|
4.
49 – 23 =
26
2
|
|
5.
17 – 17 =
2
0
|
6.
48 + 0 =
48
2
|
7.
41 – 18 =
2
23
|
8.
25 + 5 =
30
2
|
|
9.
39 + 1 =
40
2
|
10.
8 + 41 =
2
49
|
11.
2 + 32 =
2
34
|
12.
9 + 21 =
30
2
|
|
13.
14 + 5 =
2
19
|
14.
38 + 2 =
2
40
|
15.
29 + 19 =
2
48
|
16.
14 – 5 =
9
1
|
|
17.
4 + 15 =
19
2
|
18.
10 – 4 =
6
1
|
19.
22 + 25 =
2
47
|
20.
50 + 0 =
2
50
|
|
1.
47 – 42 =
1
5
|
2.
31 – 16 =
1
15
|
3.
12 – 12 =
0
2
|
4.
49 – 23 =
26
2
|
|
5.
17 – 17 =
2
0
|
6.
48 + 0 =
48
2
|
7.
41 – 18 =
2
23
|
8.
25 + 5 =
30
2
|
|
9.
39 + 1 =
40
2
|
10.
8 + 41 =
2
49
|
11.
2 + 32 =
2
34
|
12.
9 + 21 =
30
2
|
|
13.
14 + 5 =
2
19
|
14.
38 + 2 =
2
40
|
15.
29 + 19 =
2
48
|
16.
14 – 5 =
9
1
|
|
17.
4 + 15 =
19
2
|
18.
10 – 4 =
6
1
|
19.
22 + 25 =
2
47
|
20.
50 + 0 =
2
50
|