Oefen de erbijsommen tot 100

Erbijsommen
1.
30
+
60
=
2.
35
+
40
=
3.
45
+
50
=
4.
0
+
95
=
5.
5
+
95
=
6.
20
+
75
=
7.
20
+
75
=
8.
10
+
20
=
9.
20
+
60
=
10.
10
+
55
=
11.
5
+
20
=
12.
15
+
50
=
13.
30
+
70
=
14.
20
+
35
=
15.
5
+
35
=
16.
10
+
80
=
17.
10
+
90
=
18.
5
+
65
=
19.
5
+
95
=
20.
5
+
70
=
21.
0
+
100
=
22.
10
+
35
=
23.
0
+
5
=
24.
10
+
20
=
25.
15
+
60
=
26.
5
+
55
=
27.
25
+
65
=
28.
10
+
80
=
29.
10
+
50
=
30.
25
+
70
=
31.
5
+
80
=
32.
25
+
40
=
33.
35
+
60
=
34.
10
+
80
=
35.
30
+
55
=
36.
5
+
75
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

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