Reken de sommen tot 12 uit
Erbijsommen
|
1.
11 + 0 =
11
7
|
2.
12 + 0 =
12
10
|
3.
9 + 1 =
5
10
|
4.
9 + 1 =
15
10
|
|
5.
7 + 2 =
3
9
|
6.
4 + 1 =
6
5
|
7.
4 + 6 =
6
10
|
8.
9 + 0 =
9
5
|
|
9.
1 + 8 =
4
9
|
10.
10 + 2 =
11
12
|
11.
2 + 9 =
16
11
|
12.
12 + 0 =
12
8
|
|
13.
2 + 7 =
7
9
|
14.
10 + 1 =
11
4
|
15.
2 + 7 =
9
8
|
16.
1 + 8 =
9
8
|
|
17.
10 + 0 =
5
10
|
18.
1 + 2 =
7
3
|
19.
6 + 2 =
2
8
|
20.
3 + 2 =
5
10
|