1.
26 – 2 =
24
2
|
2.
31 – 8 =
2
23
|
3.
65 – 51 =
14
1
|
4.
67 + 20 =
2
87
|
5.
78 – 18 =
2
60
|
6.
30 – 30 =
0
2
|
7.
28 + 48 =
2
76
|
8.
12 – 7 =
5
1
|
9.
6 + 85 =
2
91
|
10.
61 – 42 =
19
2
|
11.
36 + 28 =
2
64
|
12.
75 + 3 =
78
2
|
13.
5 – 5 =
2
0
|
14.
50 + 35 =
85
2
|
15.
83 + 10 =
2
93
|
16.
12 + 42 =
54
2
|
17.
97 + 0 =
2
97
|
18.
75 – 57 =
2
18
|
19.
47 + 7 =
54
2
|
20.
26 – 21 =
5
1
|
1.
26 – 2 =
24
2
|
2.
31 – 8 =
2
23
|
3.
65 – 51 =
14
1
|
4.
67 + 20 =
2
87
|
5.
78 – 18 =
2
60
|
6.
30 – 30 =
0
2
|
7.
28 + 48 =
2
76
|
8.
12 – 7 =
5
1
|
9.
6 + 85 =
2
91
|
10.
61 – 42 =
19
2
|
11.
36 + 28 =
2
64
|
12.
75 + 3 =
78
2
|
13.
5 – 5 =
2
0
|
14.
50 + 35 =
85
2
|
15.
83 + 10 =
2
93
|
16.
12 + 42 =
54
2
|
17.
97 + 0 =
2
97
|
18.
75 – 57 =
2
18
|
19.
47 + 7 =
54
2
|
20.
26 – 21 =
5
1
|