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