Rekensommen met erbij tot 50

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

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