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