Oefen de erbijsommen tot 100

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

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