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