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