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