Oefen de erafsommen tot 100

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

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