|
1.
15 – 5 =
1
3
10
2
|
2.
14 – 14 =
4
0
3
2
|
3.
49 – 9 =
2
3
4
40
|
4.
33 – 17 =
2
4
16
3
|
|
5.
5 + 11 =
4
16
3
2
|
6.
9 – 7 =
4
2
1
3
|
7.
16 + 7 =
2
4
23
3
|
8.
33 – 30 =
3
2
1
4
|
|
9.
21 – 3 =
18
4
2
3
|
10.
50 – 46 =
3
4
1
2
|
11.
3 – 3 =
3
4
2
0
|
12.
45 + 2 =
3
2
47
4
|
|
13.
20 + 21 =
3
2
4
41
|
14.
1 – 0 =
4
3
1
2
|
15.
2 + 0 =
1
3
4
2
|
16.
41 + 7 =
3
2
48
4
|
|
17.
30 + 7 =
2
37
3
4
|
18.
33 – 16 =
2
17
3
4
|
19.
30 – 19 =
2
1
11
3
|
20.
8 – 4 =
2
4
3
1
|
|
1.
15 – 5 =
1
3
10
2
|
2.
14 – 14 =
4
0
3
2
|
3.
49 – 9 =
2
3
4
40
|
4.
33 – 17 =
2
4
16
3
|
|
5.
5 + 11 =
4
16
3
2
|
6.
9 – 7 =
4
2
1
3
|
7.
16 + 7 =
2
4
23
3
|
8.
33 – 30 =
3
2
1
4
|
|
9.
21 – 3 =
18
4
2
3
|
10.
50 – 46 =
3
4
1
2
|
11.
3 – 3 =
3
4
2
0
|
12.
45 + 2 =
3
2
47
4
|
|
13.
20 + 21 =
3
2
4
41
|
14.
1 – 0 =
4
3
1
2
|
15.
2 + 0 =
1
3
4
2
|
16.
41 + 7 =
3
2
48
4
|
|
17.
30 + 7 =
2
37
3
4
|
18.
33 – 16 =
2
17
3
4
|
19.
30 – 19 =
2
1
11
3
|
20.
8 – 4 =
2
4
3
1
|