Oefen de erbijsommen tot 100

Erbijsommen
1.
10
+
55
=
2.
5
+
80
=
3.
20
+
45
=
4.
0
+
100
=
5.
25
+
65
=
6.
10
+
65
=
7.
5
+
55
=
8.
25
+
70
=
9.
0
+
85
=
10.
25
+
55
=
11.
20
+
75
=
12.
0
+
80
=
13.
5
+
20
=
14.
0
+
95
=
15.
10
+
20
=
16.
0
+
75
=
17.
20
+
80
=
18.
5
+
40
=
19.
20
+
60
=
20.
35
+
60
=
21.
20
+
65
=
22.
0
+
75
=
23.
35
+
40
=
24.
15
+
85
=
25.
5
+
80
=
26.
5
+
75
=
27.
30
+
70
=
28.
0
+
100
=
29.
10
+
30
=
30.
15
+
15
=
31.
15
+
80
=
32.
45
+
50
=
33.
20
+
50
=
34.
45
+
55
=
35.
15
+
55
=
36.
0
+
65
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

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