1.
11 – 10 =
1
2
|
2.
62 + 27 =
89
2
|
3.
52 – 34 =
18
2
|
4.
82 + 16 =
2
98
|
5.
11 + 13 =
24
2
|
6.
10 – 0 =
10
1
|
7.
81 – 69 =
1
12
|
8.
30 + 19 =
49
2
|
9.
61 – 60 =
1
2
|
10.
86 – 31 =
55
2
|
11.
17 – 7 =
10
1
|
12.
49 – 15 =
2
34
|
13.
18 + 38 =
56
2
|
14.
17 – 16 =
2
1
|
15.
69 + 21 =
90
2
|
16.
20 + 17 =
37
2
|
17.
39 – 21 =
2
18
|
18.
72 + 20 =
2
92
|
19.
27 + 37 =
2
64
|
20.
76 + 13 =
2
89
|
1.
11 – 10 =
1
2
|
2.
62 + 27 =
89
2
|
3.
52 – 34 =
18
2
|
4.
82 + 16 =
2
98
|
5.
11 + 13 =
24
2
|
6.
10 – 0 =
10
1
|
7.
81 – 69 =
1
12
|
8.
30 + 19 =
49
2
|
9.
61 – 60 =
1
2
|
10.
86 – 31 =
55
2
|
11.
17 – 7 =
10
1
|
12.
49 – 15 =
2
34
|
13.
18 + 38 =
56
2
|
14.
17 – 16 =
2
1
|
15.
69 + 21 =
90
2
|
16.
20 + 17 =
37
2
|
17.
39 – 21 =
2
18
|
18.
72 + 20 =
2
92
|
19.
27 + 37 =
2
64
|
20.
76 + 13 =
2
89
|