Oefen de erbijsommen tot 100

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

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