Oefen de erafsommen tot 100

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

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