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