Reken de erbijsom tot 50 uit

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

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