Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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