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