Oefen de erafsommen tot 100

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

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