Oefen de erbijsommen tot 100

Erbijsommen
1.
5
+
60
=
2.
10
+
20
=
3.
10
+
70
=
4.
35
+
55
=
5.
25
+
40
=
6.
5
+
35
=
7.
5
+
65
=
8.
30
+
50
=
9.
10
+
90
=
10.
5
+
10
=
11.
5
+
85
=
12.
45
+
50
=
13.
5
+
90
=
14.
0
+
25
=
15.
35
+
40
=
16.
15
+
70
=
17.
5
+
75
=
18.
30
+
45
=
19.
15
+
35
=
20.
10
+
60
=
21.
0
+
50
=
22.
15
+
45
=
23.
5
+
25
=
24.
35
+
50
=
25.
10
+
85
=
26.
5
+
30
=
27.
20
+
50
=
28.
15
+
60
=
29.
15
+
80
=
30.
5
+
55
=
31.
10
+
60
=
32.
15
+
35
=
33.
5
+
90
=
34.
5
+
75
=
35.
10
+
90
=
36.
10
+
90
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

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