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