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