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