Reken de erbijsom tot 50 uit

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

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