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