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