Los de erbijsom tot 50 op

Erbijsommen
1.
0
+
50
=
50
45
40
35
2.
0
+
50
=
35
45
50
30
3.
15
+
30
=
30
45
35
25
4.
15
+
20
=
25
40
45
35
5.
10
+
30
=
25
20
40
30
6.
0
+
20
=
15
30
25
20
7.
0
+
50
=
30
50
35
45
8.
5
+
45
=
50
35
30
40
9.
0
+
50
=
45
35
50
40
10.
0
+
50
=
45
40
35
50
11.
5
+
20
=
35
20
25
30
12.
0
+
35
=
25
30
40
35
13.
10
+
20
=
30
40
25
20
14.
5
+
40
=
40
35
25
45
15.
10
+
40
=
30
45
35
50
16.
15
+
25
=
25
30
20
40
17.
15
+
35
=
35
40
30
50
18.
15
+
25
=
20
30
40
35
19.
10
+
40
=
45
50
40
35
20.
0
+
40
=
30
35
40
25
21.
10
+
40
=
50
40
35
45
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Los de erbijsom tot 50 op
| ANTWOORDEN

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