Maak de erbijsom tot 50

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

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