Oplossen van erafsommen tot 100

Erafsommen
1.
65
-
30
=
35
30
25
40
2.
65
-
55
=
20
10
15
5
3.
80
-
0
=
80
85
90
70
4.
55
-
40
=
25
10
5
15
5.
10
-
10
=
5
10
0
15
6.
85
-
35
=
40
50
60
45
7.
5
-
0
=
15
25
10
5
8.
75
-
30
=
55
50
45
35
9.
85
-
20
=
55
70
65
60
10.
35
-
25
=
5
20
10
0
11.
95
-
95
=
20
0
10
15
12.
75
-
5
=
75
65
70
80
13.
60
-
15
=
35
55
45
50
14.
100
-
0
=
85
80
90
100
15.
100
-
55
=
40
45
55
35
16.
80
-
50
=
20
30
25
35
17.
15
-
0
=
10
5
15
25
18.
40
-
15
=
30
25
35
15
19.
85
-
50
=
45
40
25
35
20.
25
-
20
=
25
15
5
10
21.
5
-
5
=
0
15
10
5
© JuniorEinstein.nl
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Oplossen van erafsommen tot 100
| ANTWOORDEN

Erafsommen
1.
65
-
30
=
35
30
25
40
2.
65
-
55
=
20
10
15
5
3.
80
-
0
=
80
85
90
70
4.
55
-
40
=
25
10
5
15
5.
10
-
10
=
5
10
0
15
6.
85
-
35
=
40
50
60
45
7.
5
-
0
=
15
25
10
5
8.
75
-
30
=
55
50
45
35
9.
85
-
20
=
55
70
65
60
10.
35
-
25
=
5
20
10
0
11.
95
-
95
=
20
0
10
15
12.
75
-
5
=
75
65
70
80
13.
60
-
15
=
35
55
45
50
14.
100
-
0
=
85
80
90
100
15.
100
-
55
=
40
45
55
35
16.
80
-
50
=
20
30
25
35
17.
15
-
0
=
10
5
15
25
18.
40
-
15
=
30
25
35
15
19.
85
-
50
=
45
40
25
35
20.
25
-
20
=
25
15
5
10
21.
5
-
5
=
0
15
10
5
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen