Oefen de erbijsommen tot 100

Erbijsommen
1.
40
+
40
=
2.
0
+
100
=
3.
15
+
75
=
4.
15
+
60
=
5.
0
+
95
=
6.
20
+
50
=
7.
40
+
50
=
8.
25
+
70
=
9.
5
+
55
=
10.
25
+
60
=
11.
0
+
95
=
12.
20
+
75
=
13.
0
+
100
=
14.
0
+
100
=
15.
5
+
25
=
16.
0
+
80
=
17.
10
+
85
=
18.
20
+
25
=
19.
0
+
30
=
20.
35
+
55
=
21.
0
+
95
=
22.
50
+
50
=
23.
25
+
30
=
24.
0
+
35
=
25.
10
+
30
=
26.
30
+
70
=
27.
25
+
65
=
28.
40
+
50
=
29.
10
+
90
=
30.
10
+
65
=
31.
5
+
90
=
32.
5
+
95
=
33.
5
+
55
=
34.
10
+
75
=
35.
0
+
95
=
36.
30
+
70
=

Oefen de erbijsommen tot 100
| ANTWOORDEN

Erbijsommen
1.
40
+
40
=
80
2.
0
+
100
=
100
3.
15
+
75
=
90
4.
15
+
60
=
75
5.
0
+
95
=
95
6.
20
+
50
=
70
7.
40
+
50
=
90
8.
25
+
70
=
95
9.
5
+
55
=
60
10.
25
+
60
=
85
11.
0
+
95
=
95
12.
20
+
75
=
95
13.
0
+
100
=
100
14.
0
+
100
=
100
15.
5
+
25
=
30
16.
0
+
80
=
80
17.
10
+
85
=
95
18.
20
+
25
=
45
19.
0
+
30
=
30
20.
35
+
55
=
90
21.
0
+
95
=
95
22.
50
+
50
=
100
23.
25
+
30
=
55
24.
0
+
35
=
35
25.
10
+
30
=
40
26.
30
+
70
=
100
27.
25
+
65
=
90
28.
40
+
50
=
90
29.
10
+
90
=
100
30.
10
+
65
=
75
31.
5
+
90
=
95
32.
5
+
95
=
100
33.
5
+
55
=
60
34.
10
+
75
=
85
35.
0
+
95
=
95
36.
30
+
70
=
100