问题
填空题
把多项式
|
答案
多项式
x2y2-x4y3+2x3y+x按照x的降幂排列为 -x4y3+2x3y+1 3
x2y2+x．1 3
故答案是：-x4y3+2x3y+
x2y2+x．1 3
搜题请搜索小程序“爱下问搜题”
把多项式
|
多项式
x2y2-x4y3+2x3y+x按照x的降幂排列为 -x4y3+2x3y+1 3
x2y2+x．1 3
故答案是：-x4y3+2x3y+
x2y2+x．1 3
用括号内所给的单词，根据句意用其适当形式填空（10分）
小题2:Don’t go out. It ___________ outside now. 小题3:This sofa is very __________ to sit on. 小题4:----Today is hot. Why not ___________ swimming! ----That’s a good idea. 小题5:Millie and Simon live in the same _____________ . 小题6:Helen often ____________ the early bus. So he is often late for school 小题7:My answers are different from ___________. 小题8:Outside the garden there ____________ a bus stop and many tall buildings. 小题9:At ___________ thirty students go to school by bus in my class. 小题10:You can ___________ a lot of souvenirs here. |