Rekensommen met erbij tot 50

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

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