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