Combining the digits 1,2,7 and 8, form the integers from 1 to 10.
This is possible with the basic operations +, -, * and / .
posted by steven | 10:30 AM
- Pouring Puzzle
- Nora has always been 45 years older than Sid, but ...
- When Sid Bloggs was murdered, in a rather compromi...
- A man lives on the twelfth floor of an apartment b...
- MOSCOW=1100. LONDON = 550. TEL AVIV = 61. PARIS = ...
- 1/ Anastasia, Brenda and Cornelia toss a fair coin...
- A commuter falls asleep on a train halfway to her ...
- Lunars
- Express 100 with five 1's.Express 100 at least thr...
- Four 4's - next part
1 Comments:
1 = (2-1) * (8-7)
2 = (2-1) + (8-7)
3 = (2+1) * (8-7)
4 = (2+1) + (8-7)
5 = (8+7) / (2+1)
6 = (2*7) - (8*1)
7 = (8+7-1) / 2
8 = (8+7+1) / 2
9 = (2*8) - (7*1)
10 = (2*8) - (7-1)
Post a Comment
<< Home