Oefen de erbijsommen tot 100

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

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