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