Oplossen van erafsommen tot 100

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

Oplossen van erafsommen tot 100
| ANTWOORDEN

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