Supersnelle sommen tot 50

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

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