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