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