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