Reken de erafsommen tot 100 uit

Erafsommen
1.
60
-
60
=
0
15
2.
20
-
10
=
10
0
3.
80
-
55
=
30
25
4.
20
-
5
=
15
10
5.
15
-
15
=
0
5
6.
30
-
10
=
10
20
7.
45
-
0
=
45
50
8.
75
-
45
=
20
30
9.
20
-
0
=
20
30
10.
100
-
35
=
65
75
11.
50
-
25
=
15
25
12.
55
-
5
=
50
55
13.
5
-
5
=
15
0
14.
60
-
40
=
30
20
15.
90
-
55
=
35
45
16.
100
-
100
=
15
0
17.
90
-
45
=
45
50
18.
55
-
35
=
15
20
19.
5
-
5
=
10
0
20.
50
-
25
=
15
25
21.
45
-
30
=
15
20
22.
65
-
50
=
20
15
23.
55
-
5
=
50
60
24.
80
-
75
=
5
15
25.
60
-
60
=
5
0
26.
40
-
0
=
40
30
27.
60
-
55
=
5
15
28.
50
-
10
=
40
30
© JuniorEinstein.nl
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Reken de erafsommen tot 100 uit
| ANTWOORDEN

Erafsommen
1.
60
-
60
=
0
15
2.
20
-
10
=
10
0
3.
80
-
55
=
30
25
4.
20
-
5
=
15
10
5.
15
-
15
=
0
5
6.
30
-
10
=
10
20
7.
45
-
0
=
45
50
8.
75
-
45
=
20
30
9.
20
-
0
=
20
30
10.
100
-
35
=
65
75
11.
50
-
25
=
15
25
12.
55
-
5
=
50
55
13.
5
-
5
=
15
0
14.
60
-
40
=
30
20
15.
90
-
55
=
35
45
16.
100
-
100
=
15
0
17.
90
-
45
=
45
50
18.
55
-
35
=
15
20
19.
5
-
5
=
10
0
20.
50
-
25
=
15
25
21.
45
-
30
=
15
20
22.
65
-
50
=
20
15
23.
55
-
5
=
50
60
24.
80
-
75
=
5
15
25.
60
-
60
=
5
0
26.
40
-
0
=
40
30
27.
60
-
55
=
5
15
28.
50
-
10
=
40
30
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen