Oefen erbijsommen en erafsommen tot 50
In de mix
1.
43
18
jimmy
–
=
2.
65
35
jimmy
+
=
3.
70
8
jimmy
+
=
4.
37
9
jimmy
–
=
5.
31
30
jimmy
–
=
6.
45
45
jimmy
–
=
7.
47
32
jimmy
–
=
8.
94
1
jimmy
+
=
9.
58
11
jimmy
–
=
10.
95
5
jimmy
+
=
11.
14
7
jimmy
–
=
12.
78
63
jimmy
–
=
13.
63
31
jimmy
–
=
14.
2
62
jimmy
+
=
15.
13
0
jimmy
–
=
16.
37
51
jimmy
+
=
17.
80
7
jimmy
+
=
18.
52
18
jimmy
+
=
19.
16
11
jimmy
–
=
20.
67
32
jimmy
+
=
21.
88
7
jimmy
+
=
22.
27
13
jimmy
–
=
23.
80
5
jimmy
+
=
24.
73
19
jimmy
+
=
Oefen erbijsommen en erafsommen tot 50
| ANTWOORDEN
In de mix
1.
43
18
25
–
=
2.
65
35
100
+
=
3.
70
8
78
+
=
4.
37
9
28
–
=
5.
31
30
1
–
=
6.
45
45
0
–
=
7.
47
32
15
–
=
8.
94
1
95
+
=
9.
58
11
47
–
=
10.
95
5
100
+
=
11.
14
7
7
–
=
12.
78
63
15
–
=
13.
63
31
32
–
=
14.
2
62
64
+
=
15.
13
0
13
–
=
16.
37
51
88
+
=
17.
80
7
87
+
=
18.
52
18
70
+
=
19.
16
11
5
–
=
20.
67
32
99
+
=
21.
88
7
95
+
=
22.
27
13
14
–
=
23.
80
5
85
+
=
24.
73
19
92
+
=