Erafsommen oplossen tot 100

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

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