Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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