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