Oplossen van erafsommen tot 100

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

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