Erbijsommen tot 50

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

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