Maak de erafsom tot 100

Erafsommen
1.
30
–
20
=
2.
30
–
25
=
3.
25
–
20
=
4.
100
–
60
=
5.
45
–
15
=
6.
90
–
40
=
7.
70
–
25
=
8.
30
–
30
=
9.
65
–
50
=
10.
5
–
0
=
11.
85
–
85
=
12.
70
–
35
=
13.
90
–
5
=
14.
75
–
60
=
15.
45
–
30
=
16.
70
–
5
=
17.
30
–
0
=
18.
50
–
20
=
19.
40
–
25
=
20.
50
–
40
=
21.
20
–
10
=
22.
20
–
0
=
23.
70
–
35
=
24.
100
–
50
=
25.
10
–
10
=
26.
90
–
70
=
27.
35
–
10
=
28.
15
–
0
=
29.
35
–
15
=
30.
80
–
25
=
31.
100
–
45
=
32.
85
–
5
=
33.
30
–
15
=
34.
25
–
25
=
35.
65
–
65
=
36.
60
–
0
=
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Maak de erafsom tot 100
| ANTWOORDEN

Erafsommen
1.
30
–
20
=
10
2.
30
–
25
=
5
3.
25
–
20
=
5
4.
100
–
60
=
40
5.
45
–
15
=
30
6.
90
–
40
=
50
7.
70
–
25
=
45
8.
30
–
30
=
0
9.
65
–
50
=
15
10.
5
–
0
=
5
11.
85
–
85
=
0
12.
70
–
35
=
35
13.
90
–
5
=
85
14.
75
–
60
=
15
15.
45
–
30
=
15
16.
70
–
5
=
65
17.
30
–
0
=
30
18.
50
–
20
=
30
19.
40
–
25
=
15
20.
50
–
40
=
10
21.
20
–
10
=
10
22.
20
–
0
=
20
23.
70
–
35
=
35
24.
100
–
50
=
50
25.
10
–
10
=
0
26.
90
–
70
=
20
27.
35
–
10
=
25
28.
15
–
0
=
15
29.
35
–
15
=
20
30.
80
–
25
=
55
31.
100
–
45
=
55
32.
85
–
5
=
80
33.
30
–
15
=
15
34.
25
–
25
=
0
35.
65
–
65
=
0
36.
60
–
0
=
60
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen