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