Reken de erafsommen tot 100 uit

Erafsommen
1.
60
-
40
=
15
20
2.
55
-
0
=
45
55
3.
30
-
0
=
30
25
4.
80
-
10
=
70
60
5.
70
-
55
=
15
25
6.
80
-
20
=
60
55
7.
25
-
0
=
20
25
8.
60
-
60
=
0
10
9.
15
-
15
=
0
15
10.
20
-
20
=
0
15
11.
20
-
5
=
15
25
12.
35
-
0
=
35
45
13.
70
-
0
=
70
75
14.
35
-
0
=
35
45
15.
60
-
60
=
0
15
16.
65
-
50
=
15
25
17.
45
-
10
=
35
45
18.
25
-
10
=
10
15
19.
95
-
95
=
5
0
20.
60
-
40
=
20
30
21.
35
-
25
=
5
10
22.
55
-
15
=
40
35
23.
5
-
0
=
5
15
24.
90
-
45
=
45
40
25.
90
-
90
=
0
5
26.
35
-
15
=
10
20
27.
5
-
5
=
0
5
28.
80
-
55
=
25
15
© JuniorEinstein.nl
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Reken de erafsommen tot 100 uit
| ANTWOORDEN

Erafsommen
1.
60
-
40
=
15
20
2.
55
-
0
=
45
55
3.
30
-
0
=
30
25
4.
80
-
10
=
70
60
5.
70
-
55
=
15
25
6.
80
-
20
=
60
55
7.
25
-
0
=
20
25
8.
60
-
60
=
0
10
9.
15
-
15
=
0
15
10.
20
-
20
=
0
15
11.
20
-
5
=
15
25
12.
35
-
0
=
35
45
13.
70
-
0
=
70
75
14.
35
-
0
=
35
45
15.
60
-
60
=
0
15
16.
65
-
50
=
15
25
17.
45
-
10
=
35
45
18.
25
-
10
=
10
15
19.
95
-
95
=
5
0
20.
60
-
40
=
20
30
21.
35
-
25
=
5
10
22.
55
-
15
=
40
35
23.
5
-
0
=
5
15
24.
90
-
45
=
45
40
25.
90
-
90
=
0
5
26.
35
-
15
=
10
20
27.
5
-
5
=
0
5
28.
80
-
55
=
25
15
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen