Reken de erafsom tot 100 uit

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

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