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