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