Reken de erbijsom tot 100 uit

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

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