初中数学试卷灿若寒星整理制作单项式与单项式相乘一、选择题1.计算2322)(xyyx=（）A.105yxB.84yxC.85yxD.126yx2.)()41()21(22232yxyxyx=（）A.36163yxB.0C.36yxD.36125yx3.2233)108.0()105.2(=（）A.13106B.13106C.13102D.14104.)3()21(23322yxzyxxy=（）A.zyx663B.zyx663C.zyx553D....

时间:2024-11-19 04:28栏目:行业资料