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