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