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