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