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