Supersnelle sommen tot 50

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

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