(2)The 2 nd term in S is twice the 1 st, and the 3 rd term is three times the 2 nd. A.条件(1)充分,但条件(2)不充分. B.条件(2)充分,但条件(1)不充分. C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
百度试题 结果1 题目What is the next term in the sequence 5, 10, 15, 20,...? A. 25 B. 30 C. 35 D. 40 相关知识点: 试题来源: 解析 A。解析:这个数列是等差数列,公差是 5,20+5=25。反馈 收藏
题目 3. Consider the sequence {1, 4, 8, 13, 19, 26, ...}. What is the next term in the sequence?Hint: The rule / pattern here is not consistent. 相关知识点: 试题来源: 解析Observe that 1→4→8→13→19→26.So the next term should be 26 + 8 = 34. ...
百度试题 结果1 题目What is the sixth term of the sequence 1, 2, 4, 8,...? A. 16 B. 32 C. 64 D. 128 相关知识点: 试题来源: 解析 B。解析:这个数列是等比数列,公比为 2,a6=a1q⁵=1×2⁵=32。反馈 收藏
In problem solving, the term rule of thumb refers to what? What is the formula of linear interpolation? What is standard deviation? What is the sequence of cleavage? What does it mean for the zygote, the morula, and the blastula?
百度试题 结果1 题目What is the eighth term of the sequence 1, 4, 9, 16, 25 ⋯? ( ) A. 64 B. 80 C. 72 D. 56 相关知识点: 试题来源: 解析 A 反馈 收藏
百度试题 结果1 题目It is given that the nth term of a sequence is 2(n-1)/2.what is the 4th term of the sequence 相关知识点: 试题来源: 解析 3有题目意思没?假定一个数列的第n项为2(n-1)/2,那么这个数列的第四项为?反馈 收藏
百度试题 结果1 题目The first four terms of an arithmetic sequence are , , , and . What is the th term of this sequence?( ) A: B: C: D: E: 相关知识点: 试题来源: 解析 A N/A. 反馈 收藏
百度试题 结果1 题目 10. a. Find the 15th term of the sequence 3, 6, 9, 12, ... ... ... 45 b. What is the 13h term of the series 3 + 11 +19 +... ? 99 相关知识点: 试题来源: 解析 4599 反馈 收藏
The first term of a sequence is 2007.Each term,starting with the second,is the sum of the cubes of the digits of the previous term.What is the 2007th term?翻译成中文的话是一个数列的第一项是2007,从第二项开始,每项都是前面所有项的三次方和,求这个数列的第2007项是多少?