Oefen de erbijsommen tot 100

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

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