Oefen de erbijsommen tot 100

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

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