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【单选题】
某数的绝对值和算术平方根等于它本身，这个数必为______
A.
2或1
B.
2或0
C.
1或-1
D.
1或0
E.
-1或0
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】执行下列二进制算术加运算11001001+00100111,其运算结果是____。
A.
10100010
B.
00000001
C.
11110000
D.
11101111
【单选题】A. As is known, we set great store by the trade relationship with the third world countries.B. We’ve never had any difficulties with our Chinese partners, and we ’ d like to make as many new contacts ...
A.
By leaving out some necessary information.
B.
By providing more information than needed.
C.
By using their body language.
D.
By telling some unbelievable lies.
【单选题】成人Ret绝对值的参考范围是
A.
(15～35)×109／L
B.
(20～50)×109／L
C.
(40～80)×109／L
D.
(65～110)×109／L
E.
(25～75)×109／L
相关题目：
【单选题】16的算术平方根是（ ）
A.
4
B.
±4
C.
2
D.
±2
【单选题】执行下列二进制算术加运算11001001+00100111,其运算结果是____。
A.
10100010
B.
00000001
C.
11110000
D.
11101111
【单选题】的平方根是（）
A.
±4
B.
±2
C.
4
D.
2
【单选题】计算绝对值的函数是()
A.
abs
B.
round
C.
sqr
D.
int
【单选题】证明算术相容性的人是
A.
根岑
B.
伯奈斯
C.
哥德尔
D.
希尔伯特
【单选题】()是测量值(x,单一测量值或多次测量的均值)与真值(xt)之差,绝对值有正负之分。
A.
绝对误差
B.
相对误差
C.
绝对偏差
D.
相对偏差
【判断题】数据结构与算法里，研究完数最早的是中国的《九章算术》。
A.
正确
B.
错误
【单选题】返回数字绝对值的函数为 。
A.
pow
B.
abs
C.
round
D.
divmod
【判断题】算术均数一定大于中位数。
A.
正确
B.
错误
【单选题】A. As is known, we set great store by the trade relationship with the third world countries.B. We’ve never had any difficulties with our Chinese partners, and we ’ d like to make as many new contacts ...
A.
By leaving out some necessary information.
B.
By providing more information than needed.
C.
By using their body language.
D.
By telling some unbelievable lies.
【单选题】对于 X*=3 算术,与他等价的是( )。
A.
X=X*3
B.
X=X+3
C.
X=3
D.
X=3X
【单选题】执行二进制算术加运算盘+00100111其运算结果是( )。
A.
11101111
B.
11110000
C.
00000001
D.
10100010
【单选题】成人Ret绝对值的参考范围是
A.
(15～35)×109／L
B.
(20～50)×109／L
C.
(40～80)×109／L
D.
(65～110)×109／L
E.
(25～75)×109／L