Oplossen van erafsommen tot 100

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

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