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