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