Erafsommen oplossen tot 50

Erafsommen
1.
35
–
0
=
2.
50
–
40
=
3.
15
–
10
=
4.
35
–
0
=
5.
35
–
20
=
6.
5
–
5
=
7.
35
–
5
=
8.
30
–
30
=
9.
45
–
10
=
10.
35
–
0
=
11.
45
–
5
=
12.
5
–
5
=
13.
10
–
5
=
14.
5
–
0
=
15.
50
–
10
=
16.
5
–
0
=
17.
25
–
25
=
18.
35
–
10
=
19.
5
–
5
=
20.
5
–
5
=
21.
35
–
0
=
22.
40
–
25
=
23.
5
–
5
=
24.
35
–
25
=
25.
50
–
30
=
26.
40
–
40
=
27.
10
–
10
=
28.
40
–
25
=
29.
15
–
10
=
30.
10
–
0
=
31.
35
–
0
=
32.
45
–
45
=
33.
40
–
30
=
34.
50
–
50
=
35.
45
–
15
=
36.
35
–
15
=
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen

Erafsommen oplossen tot 50
| ANTWOORDEN

Erafsommen
1.
35
–
0
=
35
2.
50
–
40
=
10
3.
15
–
10
=
5
4.
35
–
0
=
35
5.
35
–
20
=
15
6.
5
–
5
=
0
7.
35
–
5
=
30
8.
30
–
30
=
0
9.
45
–
10
=
35
10.
35
–
0
=
35
11.
45
–
5
=
40
12.
5
–
5
=
0
13.
10
–
5
=
5
14.
5
–
0
=
5
15.
50
–
10
=
40
16.
5
–
0
=
5
17.
25
–
25
=
0
18.
35
–
10
=
25
19.
5
–
5
=
0
20.
5
–
5
=
0
21.
35
–
0
=
35
22.
40
–
25
=
15
23.
5
–
5
=
0
24.
35
–
25
=
10
25.
50
–
30
=
20
26.
40
–
40
=
0
27.
10
–
10
=
0
28.
40
–
25
=
15
29.
15
–
10
=
5
30.
10
–
0
=
10
31.
35
–
0
=
35
32.
45
–
45
=
0
33.
40
–
30
=
10
34.
50
–
50
=
0
35.
45
–
15
=
30
36.
35
–
15
=
20
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen