14.1.4(1)单项式与单项式相乘一、填空题:1..___________))((22xaax2.3522)_)((_________yxyx3..__________)()()3(343yxyx4.._____________)21(622abcba5.._____________)(4)3(523232baba6..______________21511nnnyxyx7.._____________)21()2(23mnmnm8.._______________)104)(105.2)(102.1(9113二、解答题1.计算下列各题(1))83(4322yzxxy(2))312)(73(3323cbaba(3))125.0(2.3322nmmn(4))53(32)21(322yzyxxyz2、已知:81,4yx,求代数式52241)(1471xxyxy的值.1/23、已知:693273mm,求m2/2