Oefen de erafsommen tot 100

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

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