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