Oplossen van erafsommen tot 100

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

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