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.

Ady,

Does the answer involve deducting a number less than 100 from a number greater than 100?

Posted by broll on 2010-09-06 17:21:47