Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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