Oefen de erafsommen tot 100

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

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