Rekensommen met eraf tot 100

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

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