Erbijsommen tot 50

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

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