Oefen de erafsommen tot 100

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

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