Reken de erbijsom tot 50 uit

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

Reken de erbijsom tot 50 uit
| ANTWOORDEN

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