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