Rekensommen met eraf tot 100

Erafsommen
1.
95
–
80
=
2.
20
–
20
=
3.
45
–
5
=
4.
100
–
35
=
5.
65
–
45
=
6.
90
–
60
=
7.
55
–
50
=
8.
50
–
0
=
9.
60
–
5
=
10.
75
–
30
=
11.
20
–
0
=
12.
30
–
5
=
13.
80
–
25
=
14.
90
–
65
=
15.
15
–
5
=
16.
35
–
5
=
17.
80
–
5
=
18.
60
–
40
=
19.
65
–
0
=
20.
10
–
10
=
21.
5
–
5
=
22.
5
–
5
=
23.
60
–
40
=
24.
85
–
30
=
25.
85
–
20
=
26.
20
–
5
=
27.
30
–
15
=
28.
10
–
0
=
29.
35
–
35
=
30.
65
–
35
=
31.
100
–
60
=
32.
50
–
25
=
33.
30
–
10
=
34.
10
–
0
=
35.
95
–
20
=
36.
70
–
0
=
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Rekensommen met eraf tot 100
| ANTWOORDEN

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