Supersnelle sommen tot 50

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

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