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