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