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