Oefen de erbijsom en erafsom tot 10
In de mix
|
1.
10 – 1 =
1
9
|
2.
1 – 0 =
2
1
|
3.
9 + 0 =
1
9
|
4.
9 + 1 =
1
10
|
|
5.
10 – 5 =
5
1
|
6.
1 – 0 =
1
2
|
7.
6 + 0 =
1
6
|
8.
5 – 1 =
4
1
|
|
9.
8 + 1 =
9
1
|
10.
4 – 3 =
1
2
|
11.
3 – 0 =
1
3
|
12.
2 – 2 =
2
0
|
|
13.
6 – 3 =
1
3
|
14.
7 – 1 =
6
1
|
15.
10 + 0 =
10
1
|
16.
4 – 4 =
0
2
|
|
17.
8 + 1 =
9
1
|
18.
7 – 5 =
1
2
|
19.
1 – 0 =
2
1
|
20.
5 – 3 =
2
1
|