Oefen de erbijsommen tot 100

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

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