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