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