Erafsommen oplossen tot 100

Erafsommen
1.
85
–
80
=
2.
55
–
20
=
3.
100
–
70
=
4.
90
–
5
=
5.
50
–
10
=
6.
70
–
30
=
7.
55
–
30
=
8.
95
–
30
=
9.
10
–
10
=
10.
70
–
50
=
11.
15
–
0
=
12.
55
–
20
=
13.
85
–
0
=
14.
40
–
35
=
15.
5
–
0
=
16.
20
–
0
=
17.
40
–
20
=
18.
85
–
30
=
19.
85
–
5
=
20.
75
–
60
=
21.
60
–
15
=
22.
20
–
15
=
23.
80
–
0
=
24.
80
–
30
=
25.
20
–
20
=
26.
65
–
45
=
27.
45
–
20
=
28.
10
–
5
=
29.
10
–
0
=
30.
60
–
50
=
31.
70
–
15
=
32.
35
–
35
=
33.
30
–
5
=
34.
70
–
25
=
35.
40
–
30
=
36.
50
–
5
=
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Erafsommen oplossen tot 100
| ANTWOORDEN

Erafsommen
1.
85
–
80
=
5
2.
55
–
20
=
35
3.
100
–
70
=
30
4.
90
–
5
=
85
5.
50
–
10
=
40
6.
70
–
30
=
40
7.
55
–
30
=
25
8.
95
–
30
=
65
9.
10
–
10
=
0
10.
70
–
50
=
20
11.
15
–
0
=
15
12.
55
–
20
=
35
13.
85
–
0
=
85
14.
40
–
35
=
5
15.
5
–
0
=
5
16.
20
–
0
=
20
17.
40
–
20
=
20
18.
85
–
30
=
55
19.
85
–
5
=
80
20.
75
–
60
=
15
21.
60
–
15
=
45
22.
20
–
15
=
5
23.
80
–
0
=
80
24.
80
–
30
=
50
25.
20
–
20
=
0
26.
65
–
45
=
20
27.
45
–
20
=
25
28.
10
–
5
=
5
29.
10
–
0
=
10
30.
60
–
50
=
10
31.
70
–
15
=
55
32.
35
–
35
=
0
33.
30
–
5
=
25
34.
70
–
25
=
45
35.
40
–
30
=
10
36.
50
–
5
=
45
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen