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