Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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