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