Oefen de erbijsommen tot 100

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

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