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