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