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