Los de erbijsom tot 50 op

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

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