CSI

This page lists questions and answers that were posted by visitors named CSI.

Questions

The following questions were asked by visitors named CSI.

What numbers can be expressed as an alternating-sum of an increasing sequence of powers of 2 ? To form such a sum, choose a subset of the sequence 1, 2, 4, 8, 16, 32, 64, . . . (these are the powers of 2). List the numbers in that subset in increasing ord...
15 years ago

Answers

The following answers were posted by visitors named CSI.