Erbijsommen tot 50

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

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