Erafsommen oplossen tot 100

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

Erafsommen oplossen tot 100
| ANTWOORDEN

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