Oefen de erbijsommen tot 100

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

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