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