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
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