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