Supersnelle sommen tot 50

Erbijsommen
1.
25
+
10
=
30
35
25
40
2.
30
+
10
=
20
40
35
30
3.
35
+
15
=
50
45
35
30
4.
35
+
10
=
45
30
25
35
5.
20
+
20
=
20
30
40
35
6.
50
+
0
=
35
50
45
40
7.
40
+
0
=
35
25
40
20
8.
50
+
0
=
50
35
45
30
9.
45
+
0
=
35
30
45
25
10.
45
+
0
=
30
40
35
45
11.
35
+
10
=
25
30
40
45
12.
40
+
10
=
35
50
30
45
13.
50
+
0
=
45
50
40
35
14.
50
+
0
=
45
30
50
40
15.
25
+
10
=
40
25
35
45
16.
45
+
5
=
50
30
45
40
17.
45
+
5
=
35
40
45
50
18.
20
+
15
=
30
45
35
40
19.
50
+
0
=
30
40
45
50
20.
50
+
0
=
45
40
50
30
21.
20
+
0
=
10
25
30
20
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Supersnelle sommen tot 50
| ANTWOORDEN

Erbijsommen
1.
25
+
10
=
30
35
25
40
2.
30
+
10
=
20
40
35
30
3.
35
+
15
=
50
45
35
30
4.
35
+
10
=
45
30
25
35
5.
20
+
20
=
20
30
40
35
6.
50
+
0
=
35
50
45
40
7.
40
+
0
=
35
25
40
20
8.
50
+
0
=
50
35
45
30
9.
45
+
0
=
35
30
45
25
10.
45
+
0
=
30
40
35
45
11.
35
+
10
=
25
30
40
45
12.
40
+
10
=
35
50
30
45
13.
50
+
0
=
45
50
40
35
14.
50
+
0
=
45
30
50
40
15.
25
+
10
=
40
25
35
45
16.
45
+
5
=
50
30
45
40
17.
45
+
5
=
35
40
45
50
18.
20
+
15
=
30
45
35
40
19.
50
+
0
=
30
40
45
50
20.
50
+
0
=
45
40
50
30
21.
20
+
0
=
10
25
30
20
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen