Rekensommen met erbij tot 50

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

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