29 Nov 2007 mark six

10,13,19,27,43,48,+8.(extra number).
solution:
48/(43-19)=2.
10/2=5.
(27+13)/5=8.(extra number).

27 Nov 2007 mark six

7,25,27,33,35,45,+6(extra number).
solution:
35-33=2.
27-25=2.
45/(2+7)+2=6.(extra number).

24 Nov 2007 mark six

5,19,25,32,40,42,+4(extra number).
solution:
19-(32-25)=12.
42-40=2.
12/(5-2)=4.(extra number).

22 Nov 2007 mark six

1,12,29,39,40,48,+41(extra number).
solution:
40/(39-29)=4.
48-(12-4-1)=41.(extra number).

20 Nov 2007 mark six

6,13,14,22,30,44,+26.(extra number).
solution:
44/22=2.
14/(13-6)=2.
30-(2x2)=26.(extra number).

18 Nov 2007 mark six

1,4,6,20,25,32,+43(extra number).
solution:
(25-20)x(6-4)+1=11.
32+11=43.(extra number).

15 Nov 2007 mark six

12,16,18,27,41,45,+29(extra number).
solution:
(16-12)x(45-41)=16.
27+18-16=29.(extra number).

13Nov 2007 mark six

2,6,15,30,38,42,+29(extra number).
solution:
42-38=4.
6/2=3.
15/3=5.
30-5+4=29.(extra number).

10Nov 2007 mark six

1,6,8,15,41,43,+2(extra number).
solution:
(43-41)=2.
15/(8+6+1+)=1.
2x1=2.(extra number).

08 Nov 2007 mark six

6,14,18,28,30,37,+21(extra number).
solution:
28/14=2.
18/2=9.
9-6=3.
(37-30)x3=21.(extra number).

04Nov 2007 mark six

4,13,25,27,40,47,+45.(extra number).
solution:
(47-40)-(27-25)=5.
(13-4)x5=45.(extra number).

01Nov 2007 mark six

5,9,12,18,24,43,+7(extra number).
solution:
43-24-18=1.
5+(12-9)-1=7.(extra number).