Reken de erafsom tot 100 uit

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

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