题目

计算：101×1022﹣101×982=（ ）                                                       A．404                         B．808                         C．40400                     D．80800 答案：D【分析】先提取公因式，再运用平方差公式分解因式，然后计算即可．               【解答】解：101×1022﹣101×982=101（1022﹣982）=101（102+98）（102﹣98）=101×200×4=80800；                   故选：D．                                                          Send my regards to your lovely wife when you ________ home．A.wroteB.will writeC.have writtenD.write