Los de erbijsom tot 50 op

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

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