Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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