Oefen de erbijsommen tot 100
Erbijsommen
1.
20
+
75
=
2.
5
+
60
=
3.
10
+
90
=
4.
10
+
85
=
5.
25
+
75
=
6.
25
+
35
=
7.
15
+
80
=
8.
25
+
50
=
9.
50
+
50
=
10.
5
+
30
=
11.
10
+
80
=
12.
15
+
85
=
13.
15
+
80
=
14.
20
+
70
=
15.
0
+
20
=
16.
10
+
25
=
17.
15
+
50
=
18.
10
+
90
=
19.
15
+
80
=
20.
10
+
75
=
21.
25
+
45
=
22.
45
+
45
=
23.
15
+
55
=
24.
35
+
35
=
25.
5
+
45
=
26.
25
+
75
=
27.
15
+
85
=
28.
0
+
85
=
29.
0
+
90
=
30.
0
+
70
=
31.
25
+
60
=
32.
35
+
35
=
33.
0
+
100
=
34.
20
+
45
=
35.
5
+
70
=
36.
35
+
50
=
Oefen de erbijsommen tot 100
| ANTWOORDEN
Erbijsommen
1.
20
+
75
=
95
2.
5
+
60
=
65
3.
10
+
90
=
100
4.
10
+
85
=
95
5.
25
+
75
=
100
6.
25
+
35
=
60
7.
15
+
80
=
95
8.
25
+
50
=
75
9.
50
+
50
=
100
10.
5
+
30
=
35
11.
10
+
80
=
90
12.
15
+
85
=
100
13.
15
+
80
=
95
14.
20
+
70
=
90
15.
0
+
20
=
20
16.
10
+
25
=
35
17.
15
+
50
=
65
18.
10
+
90
=
100
19.
15
+
80
=
95
20.
10
+
75
=
85
21.
25
+
45
=
70
22.
45
+
45
=
90
23.
15
+
55
=
70
24.
35
+
35
=
70
25.
5
+
45
=
50
26.
25
+
75
=
100
27.
15
+
85
=
100
28.
0
+
85
=
85
29.
0
+
90
=
90
30.
0
+
70
=
70
31.
25
+
60
=
85
32.
35
+
35
=
70
33.
0
+
100
=
100
34.
20
+
45
=
65
35.
5
+
70
=
75
36.
35
+
50
=
85