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