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