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