Erafsommen oplossen tot 100

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

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