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