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