Oefen de erbijsommen tot 100

Erbijsommen
1.
5
+
10
=
2.
0
+
90
=
3.
0
+
80
=
4.
5
+
60
=
5.
0
+
100
=
6.
15
+
55
=
7.
25
+
40
=
8.
20
+
30
=
9.
10
+
75
=
10.
5
+
95
=
11.
15
+
60
=
12.
0
+
55
=
13.
5
+
10
=
14.
5
+
65
=
15.
15
+
85
=
16.
20
+
80
=
17.
15
+
65
=
18.
0
+
100
=
19.
15
+
60
=
20.
15
+
50
=
21.
25
+
50
=
22.
10
+
35
=
23.
15
+
55
=
24.
0
+
50
=
25.
5
+
95
=
26.
5
+
55
=
27.
35
+
40
=
28.
0
+
25
=
29.
10
+
45
=
30.
15
+
85
=
31.
10
+
90
=
32.
0
+
100
=
33.
20
+
75
=
34.
40
+
50
=
35.
10
+
55
=
36.
30
+
65
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

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