Supersnelle sommen tot 50

Erafsommen
1.
10
-
5
=
5
10
15
25
2.
10
-
10
=
15
0
5
10
3.
45
-
45
=
20
10
0
5
4.
25
-
25
=
0
20
15
5
5.
30
-
30
=
15
20
10
0
6.
25
-
25
=
20
0
15
5
7.
25
-
10
=
15
10
5
20
8.
45
-
5
=
25
30
20
40
9.
30
-
15
=
20
15
10
5
10.
30
-
25
=
10
5
15
25
11.
25
-
5
=
20
10
25
30
12.
25
-
10
=
20
5
15
25
13.
5
-
5
=
5
20
0
15
14.
10
-
0
=
10
15
20
0
15.
5
-
0
=
25
5
20
10
16.
10
-
10
=
0
20
10
5
17.
5
-
0
=
20
10
15
5
18.
40
-
20
=
25
30
10
20
19.
10
-
0
=
0
15
20
10
20.
20
-
10
=
5
20
10
0
21.
45
-
15
=
20
40
35
30

Supersnelle sommen tot 50
| ANTWOORDEN

Erafsommen
1.
10
-
5
=
5
10
15
25
2.
10
-
10
=
15
0
5
10
3.
45
-
45
=
20
10
0
5
4.
25
-
25
=
0
20
15
5
5.
30
-
30
=
15
20
10
0
6.
25
-
25
=
20
0
15
5
7.
25
-
10
=
15
10
5
20
8.
45
-
5
=
25
30
20
40
9.
30
-
15
=
20
15
10
5
10.
30
-
25
=
10
5
15
25
11.
25
-
5
=
20
10
25
30
12.
25
-
10
=
20
5
15
25
13.
5
-
5
=
5
20
0
15
14.
10
-
0
=
10
15
20
0
15.
5
-
0
=
25
5
20
10
16.
10
-
10
=
0
20
10
5
17.
5
-
0
=
20
10
15
5
18.
40
-
20
=
25
30
10
20
19.
10
-
0
=
0
15
20
10
20.
20
-
10
=
5
20
10
0
21.
45
-
15
=
20
40
35
30