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