Reken de erafsommen tot 100 uit

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

Reken de erafsommen tot 100 uit
| ANTWOORDEN

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