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