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