一个有理数 \(\frac{p}{q}\) 若为最简形式,则其分子 \(p\) 和分母 \(q\) 需满足最大公约数(HCF)为 1。分析如下: 1. **选项 (a) 2**:若 HCF 为 2,则 \(p\) 和 \(q\) 均为偶数,此时可约分为 \(\frac{p/2}{q/2}\),说明原分数未简化,故错误。
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解析 (1) Solutions: The HCF of two consecutive numbers is 1 Example: The HCF of 2 and 3 is 1 (2) The HCF of two consecutive even numbers i s 2 Example: The HCF of 2 and 4 is 2 (3) The HCF of two consecutive odd numbers is 1 Example: The HCF of 3 and 5 is 1 ...
The HCF of two numbers is 145 and their LCM is 2175 . If one of the numbers is 725 , the other number is View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths ...
If one of the number is 52, then the other number is View Solution The LCM of two numbers is 1920 and their HCF is 16. If one of the numbers is 128, find the other number. View Solution The LCM of two numbers is 1820 and their HCF is 26. If one number is 130 then the ...
解析 (1) Solutions: The HCF of two consecutive numbers is 1 Example: The HCF of 2 and 3 is 1 (2) The HCF of two consecutive even numbers i s2 Example: The HCF of 2 and 4 is 2 (3) The HCF of two consecutive odd numbers is 1 Example: The HCF of 3 and 5 is 1 ...
52. What is the HCF of 18 and 28? 8 10 2 6 Answer The correct answer is:D) 6 Explanation The explanation is: 18 has two prime factors: 21and 32(since 18 = 2 * 3 * 3). 28 have two prime factors: 22and 71(since 28 = 2 * 2 * 7). ...
解析 【解析】 (1) Solutions: The HCF of two consecutive numbers is 1 Example: The HCF of 2 and 3 is 1 (2) The HCF of two consecutive even numbersi s2 Example: The HCF of 2 and 4 is 2 (3) The HCF of two consecutive odd numbers is 1 Example: The HCF of 3 and 5 is 1 ...
The HCF of 65 and 117 is expressible in the form65m−117. Find the value of m. also find the LCM of 65 and 117 using prime factorisation method. View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium ...
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