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