|
1.
3 – 1 =
2
3
1
4
|
2.
1 + 11 =
3
2
1
12
|
3.
6 + 1 =
2
3
7
1
|
4.
19 – 3 =
4
3
16
2
|
|
5.
14 + 0 =
3
1
2
14
|
6.
9 + 4 =
2
13
1
3
|
7.
10 – 7 =
4
3
2
1
|
8.
16 + 4 =
2
20
3
4
|
|
9.
14 – 4 =
10
1
2
3
|
10.
19 + 1 =
2
20
3
4
|
11.
20 + 0 =
2
20
4
3
|
12.
8 + 3 =
11
2
3
1
|
|
13.
17 – 2 =
1
3
15
2
|
14.
2 – 2 =
2
0
3
4
|
15.
2 – 0 =
1
4
2
3
|
16.
16 – 13 =
3
1
2
4
|
|
17.
7 + 3 =
2
3
1
10
|
18.
7 – 3 =
4
3
2
1
|
19.
16 – 10 =
1
2
6
3
|
20.
4 – 1 =
4
1
3
2
|
|
1.
3 – 1 =
2
3
1
4
|
2.
1 + 11 =
3
2
1
12
|
3.
6 + 1 =
2
3
7
1
|
4.
19 – 3 =
4
3
16
2
|
|
5.
14 + 0 =
3
1
2
14
|
6.
9 + 4 =
2
13
1
3
|
7.
10 – 7 =
4
3
2
1
|
8.
16 + 4 =
2
20
3
4
|
|
9.
14 – 4 =
10
1
2
3
|
10.
19 + 1 =
2
20
3
4
|
11.
20 + 0 =
2
20
4
3
|
12.
8 + 3 =
11
2
3
1
|
|
13.
17 – 2 =
1
3
15
2
|
14.
2 – 2 =
2
0
3
4
|
15.
2 – 0 =
1
4
2
3
|
16.
16 – 13 =
3
1
2
4
|
|
17.
7 + 3 =
2
3
1
10
|
18.
7 – 3 =
4
3
2
1
|
19.
16 – 10 =
1
2
6
3
|
20.
4 – 1 =
4
1
3
2
|