Rekensommen met erbij tot 50

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

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