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