Reken de erafsommen tot 100 uit

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

Reken de erafsommen tot 100 uit
| ANTWOORDEN

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