Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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