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