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