Oefen de erbijsommen tot 100

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

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