Reken de erbijsom tot 100 uit

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

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