Reken de erafsommen tot 100 uit

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

Reken de erafsommen tot 100 uit
| ANTWOORDEN

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