Oefen de erbijsommen tot 100

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

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