Oefen de erbijsommen tot 100

Erbijsommen
1.
5
+
95
=
2.
20
+
70
=
3.
0
+
100
=
4.
20
+
50
=
5.
10
+
55
=
6.
0
+
65
=
7.
45
+
45
=
8.
30
+
35
=
9.
30
+
60
=
10.
20
+
80
=
11.
15
+
75
=
12.
30
+
50
=
13.
15
+
60
=
14.
15
+
35
=
15.
10
+
90
=
16.
25
+
65
=
17.
5
+
60
=
18.
45
+
50
=
19.
10
+
10
=
20.
20
+
75
=
21.
15
+
50
=
22.
10
+
40
=
23.
10
+
20
=
24.
5
+
15
=
25.
0
+
90
=
26.
25
+
50
=
27.
40
+
55
=
28.
45
+
55
=
29.
35
+
40
=
30.
5
+
35
=
31.
25
+
70
=
32.
10
+
85
=
33.
25
+
65
=
34.
15
+
85
=
35.
5
+
40
=
36.
40
+
45
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

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