Reken de erbijsom tot 50 uit

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

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