Reken de erbijsom tot 100 uit

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

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