Supersnelle sommen tot 50

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

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