Oefen de erbijsommen tot 100

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

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