1.
72 – 14 =
58
2
|
2.
77 + 4 =
81
2
|
3.
67 – 67 =
2
0
|
4.
68 – 18 =
50
2
|
5.
30 + 68 =
2
98
|
6.
19 + 66 =
85
2
|
7.
27 – 16 =
11
1
|
8.
18 + 71 =
2
89
|
9.
98 – 83 =
1
15
|
10.
4 – 1 =
3
1
|
11.
21 + 51 =
2
72
|
12.
50 – 32 =
2
18
|
13.
85 – 78 =
7
1
|
14.
5 – 3 =
1
2
|
15.
75 – 1 =
2
74
|
16.
74 + 2 =
2
76
|
17.
52 + 18 =
2
70
|
18.
79 + 17 =
2
96
|
19.
57 + 42 =
2
99
|
20.
7 + 43 =
2
50
|
1.
72 – 14 =
58
2
|
2.
77 + 4 =
81
2
|
3.
67 – 67 =
2
0
|
4.
68 – 18 =
50
2
|
5.
30 + 68 =
2
98
|
6.
19 + 66 =
85
2
|
7.
27 – 16 =
11
1
|
8.
18 + 71 =
2
89
|
9.
98 – 83 =
1
15
|
10.
4 – 1 =
3
1
|
11.
21 + 51 =
2
72
|
12.
50 – 32 =
2
18
|
13.
85 – 78 =
7
1
|
14.
5 – 3 =
1
2
|
15.
75 – 1 =
2
74
|
16.
74 + 2 =
2
76
|
17.
52 + 18 =
2
70
|
18.
79 + 17 =
2
96
|
19.
57 + 42 =
2
99
|
20.
7 + 43 =
2
50
|