|
1.
18 – 0 =
18
2
|
2.
18 – 15 =
3
1
|
3.
30 – 14 =
2
16
|
4.
38 + 3 =
41
2
|
|
5.
11 + 4 =
1
15
|
6.
31 – 14 =
2
17
|
7.
3 – 0 =
3
1
|
8.
39 – 11 =
28
2
|
|
9.
13 – 9 =
1
4
|
10.
24 + 5 =
29
2
|
11.
48 – 8 =
40
2
|
12.
10 + 37 =
2
47
|
|
13.
16 – 5 =
1
11
|
14.
29 – 7 =
22
2
|
15.
20 – 13 =
1
7
|
16.
22 + 27 =
49
2
|
|
17.
9 + 5 =
1
14
|
18.
21 – 11 =
10
1
|
19.
6 + 20 =
2
26
|
20.
45 + 3 =
2
48
|
|
1.
18 – 0 =
18
2
|
2.
18 – 15 =
3
1
|
3.
30 – 14 =
2
16
|
4.
38 + 3 =
41
2
|
|
5.
11 + 4 =
1
15
|
6.
31 – 14 =
2
17
|
7.
3 – 0 =
3
1
|
8.
39 – 11 =
28
2
|
|
9.
13 – 9 =
1
4
|
10.
24 + 5 =
29
2
|
11.
48 – 8 =
40
2
|
12.
10 + 37 =
2
47
|
|
13.
16 – 5 =
1
11
|
14.
29 – 7 =
22
2
|
15.
20 – 13 =
1
7
|
16.
22 + 27 =
49
2
|
|
17.
9 + 5 =
1
14
|
18.
21 – 11 =
10
1
|
19.
6 + 20 =
2
26
|
20.
45 + 3 =
2
48
|