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