Every asterisk in the equation \(2 * 0 * 1 * 5 * 2 * 0 * 1 * 5 * 2 * 0 * 1 * 5 = 0\) is to be replaced with either \(+\) or \(-\) so the equation is correct.
What is the smallest number of asterisks that must be replaced with \(+\)?
Every asterisk in the equation \(2 * 0 * 1 * 5 * 2 * 0 * 1 * 5 * 2 * 0 * 1 * 5 = 0\) is to be replaced with either \(+\) or \(-\) so the equation is correct.
What is the smallest number of asterisks that must be replaced with \(+\)?