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