Maak de erbijsom tot 50

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

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