Erafsommen oplossen tot 100

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

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