Erafsommen oplossen tot 50

Erafsommen
1.
50
–
40
=
2.
20
–
10
=
3.
20
–
5
=
4.
35
–
20
=
5.
15
–
10
=
6.
35
–
0
=
7.
20
–
15
=
8.
5
–
5
=
9.
20
–
5
=
10.
45
–
35
=
11.
20
–
15
=
12.
5
–
5
=
13.
45
–
40
=
14.
10
–
0
=
15.
40
–
20
=
16.
10
–
5
=
17.
50
–
30
=
18.
5
–
5
=
19.
25
–
10
=
20.
50
–
0
=
21.
10
–
0
=
22.
10
–
5
=
23.
30
–
30
=
24.
15
–
10
=
25.
30
–
15
=
26.
30
–
30
=
27.
50
–
50
=
28.
45
–
35
=
29.
30
–
10
=
30.
20
–
20
=
31.
10
–
5
=
32.
5
–
5
=
33.
15
–
0
=
34.
50
–
25
=
35.
35
–
0
=
36.
50
–
10
=
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Erafsommen oplossen tot 50
| ANTWOORDEN

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