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