Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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