Rekensommen met erbij tot 50

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

Rekensommen met erbij tot 50
| ANTWOORDEN

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