Oplossen van erafsommen tot 100

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

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