多项式xy3-8x2y-x3y2-y4-6是______次______项式，常数_爱下问搜题

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问题填空题

多项式xy³-8x²y-x³y²-y⁴-6是______次______项式，常数项是______．

答案

多项式xy³-8x²y-x³y²-y⁴-6是5次3项式，常数项是-6，

故答案为：5，3，-6．

填空题

用方框内所给词的适当形式完成短文。

always, animal, home, they, can't, parent, stay, well, run, kind, best

Many people like __1__. Children like animals __2__. Usually we can only see dogs, cats, ducks or
chickens around us. We __3__ see other animals such as elephants, tigers, pandas or monkeys. On
Sunday, __4__ often take __5__ children to the zoo. How happy the children are! They __6__ from
one place to another. They give animals all __7__ of good food to eat. They __8__ there one hour after
another. They don't want to go __9__ . Children __10__ have a good time in the zoo.

填空题

若（2-x）¹⁰=a₀+a₁x+a₂x²+…+a₁₀x¹⁰，则log₂a₀+log₂a₈-log₂45=（）。