|
1.
28 – 28 =
0
2
|
2.
55 – 54 =
1
2
|
3.
2 – 0 =
2
1
|
4.
2 + 79 =
2
81
|
|
5.
67 – 67 =
0
2
|
6.
25 + 70 =
2
95
|
7.
97 + 1 =
98
2
|
8.
75 – 10 =
65
2
|
|
9.
65 + 24 =
89
2
|
10.
56 + 34 =
90
2
|
11.
36 + 25 =
2
61
|
12.
68 – 35 =
33
2
|
|
13.
11 – 4 =
1
7
|
14.
12 + 6 =
18
2
|
15.
81 + 4 =
2
85
|
16.
71 – 26 =
2
45
|
|
17.
8 + 61 =
2
69
|
18.
50 – 33 =
17
2
|
19.
10 – 9 =
1
2
|
20.
80 – 12 =
2
68
|
|
1.
28 – 28 =
0
2
|
2.
55 – 54 =
1
2
|
3.
2 – 0 =
2
1
|
4.
2 + 79 =
2
81
|
|
5.
67 – 67 =
0
2
|
6.
25 + 70 =
2
95
|
7.
97 + 1 =
98
2
|
8.
75 – 10 =
65
2
|
|
9.
65 + 24 =
89
2
|
10.
56 + 34 =
90
2
|
11.
36 + 25 =
2
61
|
12.
68 – 35 =
33
2
|
|
13.
11 – 4 =
1
7
|
14.
12 + 6 =
18
2
|
15.
81 + 4 =
2
85
|
16.
71 – 26 =
2
45
|
|
17.
8 + 61 =
2
69
|
18.
50 – 33 =
17
2
|
19.
10 – 9 =
1
2
|
20.
80 – 12 =
2
68
|