Erbijsommen tot 20
Erbijsommen
|
1.
11 + 4 =
5
15
|
2.
18 + 0 =
18
2
|
3.
7 + 8 =
15
3
|
4.
14 + 3 =
9
17
|
|
5.
14 + 1 =
4
15
|
6.
8 + 1 =
2
9
|
7.
5 + 11 =
4
16
|
8.
9 + 0 =
8
9
|
|
9.
20 + 0 =
15
20
|
10.
19 + 1 =
13
20
|
11.
4 + 0 =
8
4
|
12.
15 + 0 =
9
15
|
|
13.
15 + 4 =
19
4
|
14.
7 + 2 =
4
9
|
15.
7 + 0 =
7
10
|
16.
14 + 2 =
2
16
|
|
17.
14 + 4 =
18
11
|
18.
5 + 3 =
8
6
|
19.
10 + 0 =
10
3
|
20.
8 + 11 =
19
13
|