Reken de erafsommen tot 100 uit

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

Reken de erafsommen tot 100 uit
| ANTWOORDEN

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