Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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