perplexus.info :: Numbers : Four sevens and one one.

Four sevens and one one. (Posted on 2010-09-06)

Using four sevens (7,7,7,7) and a one (1) create the number 100.
You can use not more than three out of the usual mathematical operations (+, -, x, /, sqrt and power) and any amount of brackets.

See The Solution Submitted by Ady TZIDON

No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)

Puzzle Thoughts

Comment 8 of 8 |

177-77=100

Posted by K Sengupta on 2024-03-15 00:21:07

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (1)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (6)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info