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