Reken de erbijsom tot 50 uit

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

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