Oefen de erafsommen tot 100

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

Oefen de erafsommen tot 100
| ANTWOORDEN

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