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