Oefen de erbijsommen tot 50

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

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