Reken de erafsommen tot 100 uit

Erafsommen
1.
10
-
10
=
0
10
2.
20
-
5
=
15
5
3.
30
-
5
=
25
15
4.
15
-
5
=
5
10
5.
65
-
40
=
30
25
6.
75
-
10
=
75
65
7.
40
-
30
=
0
10
8.
80
-
40
=
35
40
9.
25
-
5
=
20
25
10.
80
-
5
=
75
80
11.
35
-
0
=
25
35
12.
75
-
60
=
10
15
13.
80
-
0
=
80
70
14.
5
-
5
=
10
0
15.
20
-
10
=
20
10
16.
90
-
60
=
30
20
17.
65
-
20
=
45
50
18.
10
-
0
=
5
10
19.
50
-
25
=
15
25
20.
85
-
5
=
90
80
21.
60
-
20
=
45
40
22.
30
-
10
=
20
25
23.
10
-
0
=
10
15
24.
45
-
5
=
40
45
25.
90
-
80
=
10
15
26.
65
-
25
=
40
35
27.
55
-
20
=
40
35
28.
15
-
10
=
25
5
© JuniorEinstein.nl
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Reken de erafsommen tot 100 uit
| ANTWOORDEN

Erafsommen
1.
10
-
10
=
0
10
2.
20
-
5
=
15
5
3.
30
-
5
=
25
15
4.
15
-
5
=
5
10
5.
65
-
40
=
30
25
6.
75
-
10
=
75
65
7.
40
-
30
=
0
10
8.
80
-
40
=
35
40
9.
25
-
5
=
20
25
10.
80
-
5
=
75
80
11.
35
-
0
=
25
35
12.
75
-
60
=
10
15
13.
80
-
0
=
80
70
14.
5
-
5
=
10
0
15.
20
-
10
=
20
10
16.
90
-
60
=
30
20
17.
65
-
20
=
45
50
18.
10
-
0
=
5
10
19.
50
-
25
=
15
25
20.
85
-
5
=
90
80
21.
60
-
20
=
45
40
22.
30
-
10
=
20
25
23.
10
-
0
=
10
15
24.
45
-
5
=
40
45
25.
90
-
80
=
10
15
26.
65
-
25
=
40
35
27.
55
-
20
=
40
35
28.
15
-
10
=
25
5
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen