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