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