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