Rekensommen met erbij tot 50

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

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