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