|
1.
8 – 7 =
1
2
|
2.
40 – 4 =
2
36
|
3.
34 – 5 =
2
29
|
4.
25 – 9 =
16
2
|
|
5.
26 + 6 =
2
32
|
6.
12 – 7 =
5
1
|
7.
45 – 10 =
35
2
|
8.
4 + 29 =
33
2
|
|
9.
40 – 6 =
2
34
|
10.
13 + 21 =
2
34
|
11.
43 + 5 =
48
2
|
12.
49 + 0 =
49
2
|
|
13.
44 + 4 =
2
48
|
14.
24 + 1 =
25
2
|
15.
48 – 28 =
20
2
|
16.
18 + 19 =
2
37
|
|
17.
1 – 1 =
0
2
|
18.
35 + 10 =
2
45
|
19.
38 + 11 =
49
2
|
20.
39 + 4 =
2
43
|
|
1.
8 – 7 =
1
2
|
2.
40 – 4 =
2
36
|
3.
34 – 5 =
2
29
|
4.
25 – 9 =
16
2
|
|
5.
26 + 6 =
2
32
|
6.
12 – 7 =
5
1
|
7.
45 – 10 =
35
2
|
8.
4 + 29 =
33
2
|
|
9.
40 – 6 =
2
34
|
10.
13 + 21 =
2
34
|
11.
43 + 5 =
48
2
|
12.
49 + 0 =
49
2
|
|
13.
44 + 4 =
2
48
|
14.
24 + 1 =
25
2
|
15.
48 – 28 =
20
2
|
16.
18 + 19 =
2
37
|
|
17.
1 – 1 =
0
2
|
18.
35 + 10 =
2
45
|
19.
38 + 11 =
49
2
|
20.
39 + 4 =
2
43
|