Reken de erbijsom tot 100 uit

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

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