Oefen de erbijsommen tot 100

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

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