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