Reken de erafsommen tot 100 uit

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

Reken de erafsommen tot 100 uit
| ANTWOORDEN

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