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