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