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