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