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