Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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