Supersnelle sommen tot 50

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

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