Reken de erafsommen tot 100 uit

Erafsommen
1.
45
-
15
=
35
30
2.
90
-
90
=
20
0
3.
85
-
55
=
30
25
4.
80
-
45
=
35
30
5.
5
-
5
=
0
10
6.
90
-
60
=
30
20
7.
70
-
35
=
30
35
8.
5
-
0
=
25
5
9.
50
-
50
=
10
0
10.
65
-
20
=
40
45
11.
30
-
0
=
40
30
12.
100
-
45
=
55
50
13.
75
-
45
=
25
30
14.
75
-
70
=
5
15
15.
65
-
40
=
25
30
16.
45
-
20
=
25
35
17.
45
-
40
=
5
20
18.
70
-
60
=
10
15
19.
10
-
10
=
5
0
20.
90
-
0
=
90
85
21.
5
-
5
=
10
0
22.
50
-
15
=
35
30
23.
25
-
20
=
5
15
24.
5
-
0
=
20
5
25.
45
-
20
=
25
20
26.
100
-
20
=
75
80
27.
15
-
15
=
0
5
28.
100
-
95
=
15
5
© JuniorEinstein.nl
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Reken de erafsommen tot 100 uit
| ANTWOORDEN

Erafsommen
1.
45
-
15
=
35
30
2.
90
-
90
=
20
0
3.
85
-
55
=
30
25
4.
80
-
45
=
35
30
5.
5
-
5
=
0
10
6.
90
-
60
=
30
20
7.
70
-
35
=
30
35
8.
5
-
0
=
25
5
9.
50
-
50
=
10
0
10.
65
-
20
=
40
45
11.
30
-
0
=
40
30
12.
100
-
45
=
55
50
13.
75
-
45
=
25
30
14.
75
-
70
=
5
15
15.
65
-
40
=
25
30
16.
45
-
20
=
25
35
17.
45
-
40
=
5
20
18.
70
-
60
=
10
15
19.
10
-
10
=
5
0
20.
90
-
0
=
90
85
21.
5
-
5
=
10
0
22.
50
-
15
=
35
30
23.
25
-
20
=
5
15
24.
5
-
0
=
20
5
25.
45
-
20
=
25
20
26.
100
-
20
=
75
80
27.
15
-
15
=
0
5
28.
100
-
95
=
15
5
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen