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