Los de erbijsom tot 50 op

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

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