Reken de erafsom tot 100 uit

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

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