Rekensommen met eraf tot 100

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

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