|
1.
45 + 1 =
46
2
|
2.
10 + 6 =
2
16
|
3.
8 + 17 =
25
2
|
4.
40 – 9 =
31
2
|
|
5.
40 + 8 =
2
48
|
6.
20 – 1 =
19
2
|
7.
9 – 0 =
9
1
|
8.
4 + 29 =
2
33
|
|
9.
11 + 36 =
47
2
|
10.
2 + 19 =
2
21
|
11.
19 – 15 =
4
1
|
12.
42 – 5 =
2
37
|
|
13.
38 – 17 =
2
21
|
14.
24 – 18 =
6
1
|
15.
10 + 13 =
2
23
|
16.
12 + 34 =
2
46
|
|
17.
13 + 36 =
49
2
|
18.
48 – 20 =
28
2
|
19.
31 – 17 =
1
14
|
20.
39 – 27 =
12
1
|
|
1.
45 + 1 =
46
2
|
2.
10 + 6 =
2
16
|
3.
8 + 17 =
25
2
|
4.
40 – 9 =
31
2
|
|
5.
40 + 8 =
2
48
|
6.
20 – 1 =
19
2
|
7.
9 – 0 =
9
1
|
8.
4 + 29 =
2
33
|
|
9.
11 + 36 =
47
2
|
10.
2 + 19 =
2
21
|
11.
19 – 15 =
4
1
|
12.
42 – 5 =
2
37
|
|
13.
38 – 17 =
2
21
|
14.
24 – 18 =
6
1
|
15.
10 + 13 =
2
23
|
16.
12 + 34 =
2
46
|
|
17.
13 + 36 =
49
2
|
18.
48 – 20 =
28
2
|
19.
31 – 17 =
1
14
|
20.
39 – 27 =
12
1
|