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