4.y=-(x+2)2 -5 查看更多

 

题目列表(包括答案和解析)

-(-2)=

A.-2              B.2                C.±2              D.4

 

查看答案和解析>>

-(-2)=
A.-2B.2C.±2D.4

查看答案和解析>>

-(-2)=

A.-2              B.2                C.±2              D.4

 

查看答案和解析>>

-(-2)=

A.-2                        B.2                            C.±2                        D.4

 

查看答案和解析>>

-(-2)2=________;

若|x-1|=3,则x=________;

若a2=4,则a3=________.

查看答案和解析>>


同步练习册答案