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