Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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