Oefen de erbijsommen tot 100

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

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