|
1.
2 – 1 =
1
2
3
4
|
2.
9 – 2 =
2
7
1
3
|
3.
40 + 6 =
3
2
46
4
|
4.
41 – 2 =
4
3
39
2
|
|
5.
37 – 24 =
13
2
1
3
|
6.
40 + 4 =
4
2
44
3
|
7.
28 + 16 =
4
2
3
44
|
8.
45 – 15 =
3
4
2
30
|
|
9.
13 – 9 =
4
3
1
2
|
10.
26 – 1 =
3
4
25
2
|
11.
34 – 11 =
3
2
23
4
|
12.
22 + 16 =
2
38
4
3
|
|
13.
48 + 0 =
48
3
2
4
|
14.
41 + 4 =
3
4
45
2
|
15.
11 – 6 =
5
3
1
2
|
16.
11 – 1 =
2
3
1
10
|
|
17.
46 – 0 =
46
3
2
4
|
18.
38 – 1 =
37
4
2
3
|
19.
44 + 1 =
2
45
4
3
|
20.
46 – 24 =
2
3
4
22
|
|
1.
2 – 1 =
1
2
3
4
|
2.
9 – 2 =
2
7
1
3
|
3.
40 + 6 =
3
2
46
4
|
4.
41 – 2 =
4
3
39
2
|
|
5.
37 – 24 =
13
2
1
3
|
6.
40 + 4 =
4
2
44
3
|
7.
28 + 16 =
4
2
3
44
|
8.
45 – 15 =
3
4
2
30
|
|
9.
13 – 9 =
4
3
1
2
|
10.
26 – 1 =
3
4
25
2
|
11.
34 – 11 =
3
2
23
4
|
12.
22 + 16 =
2
38
4
3
|
|
13.
48 + 0 =
48
3
2
4
|
14.
41 + 4 =
3
4
45
2
|
15.
11 – 6 =
5
3
1
2
|
16.
11 – 1 =
2
3
1
10
|
|
17.
46 – 0 =
46
3
2
4
|
18.
38 – 1 =
37
4
2
3
|
19.
44 + 1 =
2
45
4
3
|
20.
46 – 24 =
2
3
4
22
|