Oefen de erbijsommen tot 100

Erbijsommen
1.
5
+
90
=
2.
20
+
65
=
3.
15
+
30
=
4.
30
+
60
=
5.
0
+
100
=
6.
10
+
50
=
7.
10
+
10
=
8.
40
+
55
=
9.
5
+
95
=
10.
0
+
100
=
11.
0
+
100
=
12.
10
+
50
=
13.
30
+
40
=
14.
35
+
35
=
15.
30
+
50
=
16.
10
+
10
=
17.
10
+
50
=
18.
25
+
45
=
19.
0
+
95
=
20.
20
+
65
=
21.
5
+
90
=
22.
15
+
50
=
23.
20
+
55
=
24.
10
+
50
=
25.
0
+
60
=
26.
20
+
65
=
27.
40
+
50
=
28.
0
+
65
=
29.
0
+
100
=
30.
10
+
85
=
31.
10
+
75
=
32.
0
+
100
=
33.
25
+
45
=
34.
10
+
85
=
35.
5
+
95
=
36.
10
+
25
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

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