Oefen de erbijsommen tot 100

Erbijsommen
1.
5
+
85
=
2.
35
+
55
=
3.
10
+
10
=
4.
5
+
65
=
5.
25
+
55
=
6.
25
+
50
=
7.
35
+
50
=
8.
5
+
95
=
9.
5
+
35
=
10.
5
+
25
=
11.
0
+
100
=
12.
20
+
60
=
13.
15
+
80
=
14.
35
+
45
=
15.
20
+
80
=
16.
20
+
75
=
17.
10
+
45
=
18.
20
+
75
=
19.
15
+
50
=
20.
10
+
65
=
21.
20
+
60
=
22.
10
+
90
=
23.
0
+
85
=
24.
25
+
75
=
25.
35
+
55
=
26.
30
+
45
=
27.
10
+
45
=
28.
0
+
80
=
29.
10
+
15
=
30.
20
+
80
=
31.
5
+
90
=
32.
15
+
35
=
33.
20
+
35
=
34.
45
+
50
=
35.
5
+
5
=
36.
15
+
75
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

Erbijsommen
1.
5
+
85
=
90
2.
35
+
55
=
90
3.
10
+
10
=
20
4.
5
+
65
=
70
5.
25
+
55
=
80
6.
25
+
50
=
75
7.
35
+
50
=
85
8.
5
+
95
=
100
9.
5
+
35
=
40
10.
5
+
25
=
30
11.
0
+
100
=
100
12.
20
+
60
=
80
13.
15
+
80
=
95
14.
35
+
45
=
80
15.
20
+
80
=
100
16.
20
+
75
=
95
17.
10
+
45
=
55
18.
20
+
75
=
95
19.
15
+
50
=
65
20.
10
+
65
=
75
21.
20
+
60
=
80
22.
10
+
90
=
100
23.
0
+
85
=
85
24.
25
+
75
=
100
25.
35
+
55
=
90
26.
30
+
45
=
75
27.
10
+
45
=
55
28.
0
+
80
=
80
29.
10
+
15
=
25
30.
20
+
80
=
100
31.
5
+
90
=
95
32.
15
+
35
=
50
33.
20
+
35
=
55
34.
45
+
50
=
95
35.
5
+
5
=
10
36.
15
+
75
=
90
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen