Reken de erafsom tot 100 uit

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

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