|
1.
15 – 0 =
1
2
15
3
|
2.
45 – 13 =
3
32
2
4
|
3.
44 + 1 =
45
3
4
2
|
4.
41 + 7 =
2
3
4
48
|
|
5.
42 – 36 =
1
3
6
2
|
6.
3 – 0 =
3
2
1
4
|
7.
16 + 23 =
3
2
39
4
|
8.
36 – 22 =
14
1
2
3
|
|
9.
22 – 14 =
2
8
1
3
|
10.
22 + 25 =
47
4
2
3
|
11.
20 – 15 =
5
1
2
3
|
12.
4 + 26 =
30
3
4
2
|
|
13.
37 – 27 =
10
3
2
1
|
14.
46 + 2 =
48
3
4
2
|
15.
47 – 39 =
2
3
8
1
|
16.
45 + 2 =
4
47
2
3
|
|
17.
17 + 9 =
26
4
3
2
|
18.
43 – 42 =
3
4
2
1
|
19.
17 + 19 =
4
3
36
2
|
20.
15 + 24 =
4
2
39
3
|
|
1.
15 – 0 =
1
2
15
3
|
2.
45 – 13 =
3
32
2
4
|
3.
44 + 1 =
45
3
4
2
|
4.
41 + 7 =
2
3
4
48
|
|
5.
42 – 36 =
1
3
6
2
|
6.
3 – 0 =
3
2
1
4
|
7.
16 + 23 =
3
2
39
4
|
8.
36 – 22 =
14
1
2
3
|
|
9.
22 – 14 =
2
8
1
3
|
10.
22 + 25 =
47
4
2
3
|
11.
20 – 15 =
5
1
2
3
|
12.
4 + 26 =
30
3
4
2
|
|
13.
37 – 27 =
10
3
2
1
|
14.
46 + 2 =
48
3
4
2
|
15.
47 – 39 =
2
3
8
1
|
16.
45 + 2 =
4
47
2
3
|
|
17.
17 + 9 =
26
4
3
2
|
18.
43 – 42 =
3
4
2
1
|
19.
17 + 19 =
4
3
36
2
|
20.
15 + 24 =
4
2
39
3
|