简化份数 (3^2008)^2-(3^2006)^2/(3^2007)^2-(3^2005)^2
简化份数 (3^2008)^2-(3^2006)^2/(3^2007)^2-(3^2005)^2
另外的是英文题 heather compares the price of a new computer at two different stores.store A offers 15% off the sticker price followed by a $90 rebate,and store B offers 25% off the sticker price with no rebate.heather saves $15 by buying the computer at store A instead of store B.what is the sticker price of the computer,in dollars?