Oefen de erafsommen tot 100

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

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