Reken de erbijsom tot 50 uit

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

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