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