Reken de erbijsom tot 50 uit

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

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