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