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