Erafsommen oplossen tot 100

Erafsommen
1.
90
–
40
=
2.
20
–
20
=
3.
10
–
5
=
4.
35
–
20
=
5.
15
–
10
=
6.
15
–
15
=
7.
5
–
5
=
8.
10
–
0
=
9.
10
–
10
=
10.
20
–
0
=
11.
15
–
15
=
12.
20
–
5
=
13.
25
–
20
=
14.
5
–
0
=
15.
25
–
25
=
16.
5
–
5
=
17.
75
–
15
=
18.
50
–
15
=
19.
30
–
25
=
20.
90
–
60
=
21.
35
–
5
=
22.
70
–
50
=
23.
100
–
100
=
24.
50
–
15
=
25.
55
–
20
=
26.
30
–
0
=
27.
80
–
5
=
28.
30
–
20
=
29.
90
–
65
=
30.
25
–
25
=
31.
90
–
0
=
32.
25
–
25
=
33.
95
–
50
=
34.
75
–
20
=
35.
45
–
30
=
36.
85
–
40
=
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Erafsommen oplossen tot 100
| ANTWOORDEN

Erafsommen
1.
90
–
40
=
50
2.
20
–
20
=
0
3.
10
–
5
=
5
4.
35
–
20
=
15
5.
15
–
10
=
5
6.
15
–
15
=
0
7.
5
–
5
=
0
8.
10
–
0
=
10
9.
10
–
10
=
0
10.
20
–
0
=
20
11.
15
–
15
=
0
12.
20
–
5
=
15
13.
25
–
20
=
5
14.
5
–
0
=
5
15.
25
–
25
=
0
16.
5
–
5
=
0
17.
75
–
15
=
60
18.
50
–
15
=
35
19.
30
–
25
=
5
20.
90
–
60
=
30
21.
35
–
5
=
30
22.
70
–
50
=
20
23.
100
–
100
=
0
24.
50
–
15
=
35
25.
55
–
20
=
35
26.
30
–
0
=
30
27.
80
–
5
=
75
28.
30
–
20
=
10
29.
90
–
65
=
25
30.
25
–
25
=
0
31.
90
–
0
=
90
32.
25
–
25
=
0
33.
95
–
50
=
45
34.
75
–
20
=
55
35.
45
–
30
=
15
36.
85
–
40
=
45
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