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