Oefen de erbijsommen tot 100

Erbijsommen
1.
5
+
20
=
2.
30
+
40
=
3.
20
+
75
=
4.
20
+
50
=
5.
5
+
20
=
6.
10
+
55
=
7.
10
+
90
=
8.
15
+
25
=
9.
0
+
65
=
10.
0
+
100
=
11.
0
+
95
=
12.
25
+
70
=
13.
30
+
60
=
14.
5
+
95
=
15.
30
+
50
=
16.
20
+
35
=
17.
10
+
35
=
18.
10
+
15
=
19.
5
+
95
=
20.
25
+
55
=
21.
10
+
85
=
22.
35
+
65
=
23.
35
+
40
=
24.
10
+
70
=
25.
10
+
85
=
26.
15
+
20
=
27.
10
+
75
=
28.
10
+
60
=
29.
10
+
80
=
30.
25
+
50
=
31.
0
+
65
=
32.
30
+
70
=
33.
25
+
75
=
34.
15
+
85
=
35.
0
+
90
=
36.
15
+
40
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

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