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