Maak de erbijsom tot 50

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

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