Reken de erafsommen tot 100 uit

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

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