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