Oplossen van erafsommen tot 100

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

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