In a history class that consisted of 30 students, the number of seniors was 3 more than twice the number of juniors, and 3/10 of the students were neither juniors nor seniors. Column A Column B The number of juniors in the class 6
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
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参考答案:
举一反三
【单选题】设一个十进制整数为D>1,转换成十六进制数为H。根据数制的概念,下列叙述中正确的是______。 A) 数字H的位数≥数字D的位数 B) 数字H的位数≤数字D的位数 C) 数字H的位数<数字D的位数 D) 数字H的位数>数字D的位数