Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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