Reken de erafsommen tot 100 uit

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

Reken de erafsommen tot 100 uit
| ANTWOORDEN

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