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