Maak de erbijsom tot 50

Erbijsommen
1.
15
+
15
=
2.
50
+
0
=
3.
35
+
15
=
4.
35
+
10
=
5.
45
+
5
=
6.
50
+
0
=
7.
40
+
0
=
8.
30
+
20
=
9.
50
+
0
=
10.
30
+
20
=
11.
20
+
10
=
12.
25
+
25
=
13.
35
+
10
=
14.
25
+
15
=
15.
30
+
0
=
16.
45
+
5
=
17.
25
+
25
=
18.
35
+
15
=
19.
35
+
5
=
20.
20
+
0
=
21.
35
+
0
=
22.
30
+
5
=
23.
50
+
0
=
24.
20
+
5
=
25.
10
+
0
=
26.
45
+
0
=
27.
30
+
15
=
28.
30
+
15
=
29.
50
+
0
=
30.
40
+
10
=
31.
20
+
15
=
32.
50
+
0
=
33.
25
+
15
=
34.
25
+
10
=
35.
15
+
10
=
36.
40
+
10
=
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Maak de erbijsom tot 50
| ANTWOORDEN

Erbijsommen
1.
15
+
15
=
30
2.
50
+
0
=
50
3.
35
+
15
=
50
4.
35
+
10
=
45
5.
45
+
5
=
50
6.
50
+
0
=
50
7.
40
+
0
=
40
8.
30
+
20
=
50
9.
50
+
0
=
50
10.
30
+
20
=
50
11.
20
+
10
=
30
12.
25
+
25
=
50
13.
35
+
10
=
45
14.
25
+
15
=
40
15.
30
+
0
=
30
16.
45
+
5
=
50
17.
25
+
25
=
50
18.
35
+
15
=
50
19.
35
+
5
=
40
20.
20
+
0
=
20
21.
35
+
0
=
35
22.
30
+
5
=
35
23.
50
+
0
=
50
24.
20
+
5
=
25
25.
10
+
0
=
10
26.
45
+
0
=
45
27.
30
+
15
=
45
28.
30
+
15
=
45
29.
50
+
0
=
50
30.
40
+
10
=
50
31.
20
+
15
=
35
32.
50
+
0
=
50
33.
25
+
15
=
40
34.
25
+
10
=
35
35.
15
+
10
=
25
36.
40
+
10
=
50
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen