Oefen de erbijsommen tot 100

Erbijsommen
1.
25
+
75
=
2.
20
+
75
=
3.
0
+
100
=
4.
20
+
35
=
5.
20
+
45
=
6.
10
+
20
=
7.
35
+
50
=
8.
0
+
100
=
9.
25
+
25
=
10.
40
+
60
=
11.
5
+
65
=
12.
5
+
35
=
13.
10
+
75
=
14.
20
+
80
=
15.
20
+
75
=
16.
15
+
50
=
17.
0
+
60
=
18.
5
+
60
=
19.
15
+
75
=
20.
0
+
100
=
21.
0
+
35
=
22.
5
+
70
=
23.
15
+
75
=
24.
0
+
85
=
25.
0
+
65
=
26.
5
+
85
=
27.
40
+
40
=
28.
35
+
45
=
29.
10
+
90
=
30.
15
+
80
=
31.
10
+
20
=
32.
35
+
60
=
33.
0
+
90
=
34.
20
+
55
=
35.
0
+
90
=
36.
40
+
60
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

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