Oefen de erbijsommen tot 100

Erbijsommen
1.
35
+
55
=
2.
30
+
45
=
3.
10
+
90
=
4.
30
+
45
=
5.
0
+
100
=
6.
10
+
75
=
7.
10
+
45
=
8.
5
+
40
=
9.
0
+
100
=
10.
0
+
90
=
11.
20
+
40
=
12.
0
+
60
=
13.
10
+
75
=
14.
10
+
35
=
15.
5
+
95
=
16.
10
+
70
=
17.
0
+
95
=
18.
25
+
50
=
19.
5
+
90
=
20.
0
+
95
=
21.
10
+
80
=
22.
0
+
100
=
23.
15
+
60
=
24.
0
+
75
=
25.
5
+
90
=
26.
20
+
50
=
27.
5
+
70
=
28.
20
+
75
=
29.
5
+
85
=
30.
5
+
10
=
31.
5
+
65
=
32.
45
+
55
=
33.
20
+
30
=
34.
0
+
90
=
35.
10
+
85
=
36.
30
+
70
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

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