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