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