Supersnelle sommen tot 50

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

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