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