Oefen de erbijsommen tot 100

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

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