Oefen de erbijsommen tot 100

Erbijsommen
1.
0
+
20
=
2.
15
+
55
=
3.
0
+
90
=
4.
0
+
95
=
5.
15
+
45
=
6.
20
+
75
=
7.
5
+
80
=
8.
20
+
70
=
9.
10
+
60
=
10.
10
+
90
=
11.
5
+
45
=
12.
5
+
85
=
13.
0
+
95
=
14.
20
+
55
=
15.
5
+
90
=
16.
10
+
85
=
17.
25
+
50
=
18.
30
+
35
=
19.
15
+
85
=
20.
15
+
75
=
21.
5
+
80
=
22.
20
+
45
=
23.
0
+
55
=
24.
25
+
30
=
25.
15
+
65
=
26.
10
+
80
=
27.
0
+
100
=
28.
15
+
85
=
29.
25
+
25
=
30.
30
+
60
=
31.
15
+
20
=
32.
35
+
60
=
33.
0
+
100
=
34.
20
+
65
=
35.
20
+
50
=
36.
0
+
85
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

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