Rekensommen met erbij tot 50

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

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