Oefen de erbijsommen tot 100

Erbijsommen
1.
25
+
70
=
2.
20
+
80
=
3.
10
+
75
=
4.
5
+
95
=
5.
5
+
70
=
6.
5
+
60
=
7.
0
+
100
=
8.
15
+
70
=
9.
10
+
80
=
10.
20
+
45
=
11.
20
+
75
=
12.
40
+
45
=
13.
10
+
80
=
14.
15
+
80
=
15.
10
+
50
=
16.
20
+
75
=
17.
10
+
90
=
18.
45
+
50
=
19.
10
+
15
=
20.
10
+
75
=
21.
40
+
55
=
22.
0
+
80
=
23.
0
+
100
=
24.
15
+
80
=
25.
0
+
100
=
26.
10
+
75
=
27.
40
+
55
=
28.
15
+
35
=
29.
5
+
45
=
30.
15
+
85
=
31.
25
+
55
=
32.
5
+
95
=
33.
30
+
60
=
34.
30
+
35
=
35.
10
+
15
=
36.
0
+
95
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

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