Reken de erafsom tot 100 uit

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

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