Reken de erafsommen tot 100 uit

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

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