Oefen de erbijsommen tot 100

Erbijsommen
1.
15
+
60
=
2.
0
+
75
=
3.
30
+
60
=
4.
0
+
90
=
5.
25
+
30
=
6.
15
+
25
=
7.
25
+
65
=
8.
10
+
85
=
9.
25
+
60
=
10.
5
+
40
=
11.
5
+
90
=
12.
35
+
40
=
13.
10
+
90
=
14.
5
+
70
=
15.
0
+
95
=
16.
0
+
75
=
17.
20
+
60
=
18.
5
+
90
=
19.
25
+
35
=
20.
20
+
20
=
21.
5
+
50
=
22.
10
+
65
=
23.
30
+
70
=
24.
5
+
40
=
25.
30
+
60
=
26.
10
+
20
=
27.
10
+
55
=
28.
5
+
85
=
29.
45
+
45
=
30.
35
+
60
=
31.
10
+
45
=
32.
0
+
100
=
33.
10
+
85
=
34.
35
+
65
=
35.
0
+
25
=
36.
10
+
90
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

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