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【判断题】
209竖盘指标差是偶然误差。()A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】n is an even integer. Column A Column B The number of different prime factors of n The number of different prime factors of 2n
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given
【单选题】n=l × 193 Column A Column B The number of distinct 10 positive factors of n
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given
【简答题】Match the words in Column M with their definitions in Column N.
【简答题】Match the words in Column M with the definitions in Column N
【单选题】n = 7 × 193 Column A Column B The number of distinct positive factors of n 10
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given
【单选题】When integer n is divided by 9, the remainder is 2. Column A Column B The remainder when 2 n is divided by 3
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given
【单选题】When the even integer n is divided by 7, the remainder is 3. Column A Column B The remainder when n is divided by 14 10
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given
【单选题】生活中的下列做法，不科学的是（ ）
A.
用聚乙烯塑料袋包装食品
B.
电器设备着火用水浇灭
C.
篝火晚会时，把木柴架空一些使燃烧更旺
D.
自行车架刷上油漆，既美观又能防止钢铁生锈
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