百度试题 结果1 题目1 . Which of the following numbers is a perfect square?(b) (a)141(b)196(c)124(d)222 相关知识点: 试题来源: 解析 (b) 反馈 收藏
百度试题 结果1 题目44. Which of the following is a perfect square? B A. 4!. 9! B. 9!.10! C. 8!10! D. 8!. 9! E. 8!.9!.10! 相关知识点: 试题来源: 解析 B 反馈 收藏
解析 A A is the correct answer.-This is a test of your knowledge of the unit circle and/or unit triangle. Since it is a perfect square, you should know it is a 45-45-90 triangle, for which the diagonal will be the length of the leg times the root of two. 反馈 收藏 ...
答案 B 结果二 题目 Which of the following numbers is not a perfect square?( ).A.12016B.22017C.32018D.42019E.52020 答案 B 结果三 题目 Which of the following numbers is not a perfect square?( )A.12016B.22017C.32018D.42019E.52020 答案 B相关推荐 1Which of the following numbers...
A whole number is a perfect square if it can be expressed as the product of two equal whole numbers, For example, is a perfect square since , How many perfect squares are greater than 0 and less than ( ). A: B: C: D: ...
A Sine 10002=1million and 30002=9 million, the perfect squares that we want are the integers 10012, 10022, ⋯, 29992. Altogether there are1999 such perfect squares. 一个整数的平方称为完全平方.有多少大于100万小于900万的整数是完全平方数( )? A.1999 B.2000 C.2001 D.3000 因为10002=100...
Therefore m!·n! is a perfect square if and only if (m+1)·(m+2)… n. is a perfect square. For the five answer choices, that quantity is 121, 121⋅ 122, 120, 120⋅ 121, and 122, and of those only 121 is a perfect square. Therefore the answer is120!·121!....
2⋅n+12.We must find a value of n such that (n!)2⋅n+12 is a perfect square. Since(n!)2 is a perfect square, we must also have n+12 be a perfect square. In order for n+12 to be a perfect square, n+1 must be twice a perfect square. From the answer choices, n+1=...
Which of the numbers is a perfect square? (Aperfect square is a whole number that is the product of a whole number with itself. For example, some perfect squares are the bolded ones in the following sequence: 1=1×1.4=2×2, 9=3×3, ..., etc.)A:...
结果1 题目 A perfect square is a whole number whose square root is also a whole number. For example, is a perfect square since its square root is . How many perfect squares are there between and ? A: B: C: D: E: 相关知识点: 试题来源: 解析 D 略 反馈 收藏 ...