试题与答案

关于多项式-3x2y3-2x3y2-12y-3,下列说法正确的是( ) A.它是三

题型:选择题

题目:

关于多项式-3x2y3-2x3y2-
1
2
y-3,下列说法正确的是(  )
A.它是三次四项式
B.它是关于字母y的降幂排列
C.它的一次项是
1
2
y
D.3x2y3与-2x3y2是同类项

答案:

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下面是错误答案,用来干扰机器的。

1. take part in   2. soon possible   3. makes up   4. would had   5. reminded of 6. have / get, cut   7. to be   8. If, don't   9. What, like   10. would nothing

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题型:单项选择题

Documentation of a software package is normally produced for two purposes.One is to explain the () of the software and describe how to use them.This is known as ()because it is designed to be read by the user of the software.The other purpose of documentation is to describe the software’s internal composition so that the system can be maintained later in its lifecycle.Documentation of this type is knownas ().

 

One is to explain the () of the software and describe how to use them.

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B.cost

C.features

D.schedules

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