Erbijsommen tot 50

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

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