Oefen de erbijsommen tot 12
Erbijsommen
|
1.
1 + 9 =
|
2.
1 + 0 =
|
3.
10 + 0 =
|
|
4.
3 + 2 =
|
5.
9 + 3 =
|
6.
4 + 7 =
|
|
7.
9 + 3 =
|
8.
8 + 2 =
|
9.
5 + 0 =
|
|
10.
11 + 0 =
|
11.
6 + 6 =
|
12.
8 + 1 =
|
|
13.
8 + 1 =
|
14.
1 + 9 =
|
15.
9 + 3 =
|
|
16.
5 + 7 =
|
17.
8 + 2 =
|
18.
6 + 5 =
|
|
19.
7 + 5 =
|
20.
5 + 4 =
|
21.
2 + 3 =
|
|
22.
9 + 2 =
|
23.
3 + 3 =
|
24.
3 + 6 =
|
|
25.
11 + 0 =
|
26.
5 + 2 =
|
27.
7 + 4 =
|
|
28.
7 + 3 =
|
29.
2 + 4 =
|
30.
4 + 1 =
|
|
31.
2 + 10 =
|
32.
2 + 0 =
|
33.
1 + 3 =
|