Supersnelle sommen tot 50

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

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