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