Oefen de erafsommen tot 100

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

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