|
1.
43 + 2 =
4
3
2
45
|
2.
28 – 9 =
4
19
2
3
|
3.
38 + 3 =
4
2
3
41
|
4.
21 – 21 =
0
4
2
3
|
|
5.
44 – 31 =
1
2
3
13
|
6.
4 – 1 =
1
2
3
4
|
7.
28 – 9 =
19
4
2
3
|
8.
28 – 15 =
1
13
2
3
|
|
9.
13 – 9 =
2
1
3
4
|
10.
14 + 18 =
3
4
32
2
|
11.
33 + 2 =
4
3
35
2
|
12.
9 – 0 =
1
9
2
3
|
|
13.
33 + 12 =
45
4
3
2
|
14.
28 + 7 =
2
3
35
4
|
15.
19 + 24 =
2
43
3
4
|
16.
43 – 16 =
27
2
4
3
|
|
17.
46 + 2 =
4
2
3
48
|
18.
16 + 27 =
43
3
4
2
|
19.
48 + 0 =
2
3
4
48
|
20.
5 – 5 =
2
0
4
3
|
|
1.
43 + 2 =
4
3
2
45
|
2.
28 – 9 =
4
19
2
3
|
3.
38 + 3 =
4
2
3
41
|
4.
21 – 21 =
0
4
2
3
|
|
5.
44 – 31 =
1
2
3
13
|
6.
4 – 1 =
1
2
3
4
|
7.
28 – 9 =
19
4
2
3
|
8.
28 – 15 =
1
13
2
3
|
|
9.
13 – 9 =
2
1
3
4
|
10.
14 + 18 =
3
4
32
2
|
11.
33 + 2 =
4
3
35
2
|
12.
9 – 0 =
1
9
2
3
|
|
13.
33 + 12 =
45
4
3
2
|
14.
28 + 7 =
2
3
35
4
|
15.
19 + 24 =
2
43
3
4
|
16.
43 – 16 =
27
2
4
3
|
|
17.
46 + 2 =
4
2
3
48
|
18.
16 + 27 =
43
3
4
2
|
19.
48 + 0 =
2
3
4
48
|
20.
5 – 5 =
2
0
4
3
|