Reken de erafsommen tot 100 uit

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

Reken de erafsommen tot 100 uit
| ANTWOORDEN

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