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