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