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