Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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