Reken de erbijsom tot 100 uit

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

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