【题目】3. When the digits of a two digit number are reversed (颠倒), the two-digit number formed is 36 lessthan the original number. The difference of the digits of the original number is ( ).(A)3(B)4(C)5(D)6(E) 7
2-digit number and the number with its digits reversed is always divisible by( ). A. 2B. 4C. 6D. none of these相关知识点: 试题来源: 解析 D Try a few pairs of numbers like 76 and 67, The difference is always divisible by 9. 2位数字和其数字相反的数字之间的差总是可以被( )整除...
The digit in the ones place(个位)of a two-digit number is two more than three times thedigit in the tens place.If the digits are reversed(颠倒),the new number is two less than three times theoriginal number.Find the original number. 相关知识点: 试题来源: 解析 the original number ...
百度试题 结果1 题目The sum of the digits of a two-digit number is7. If the digits are reversed, the new number is 9less than the original number. Find the original number.相关知识点: 试题来源: 解析 43 43 反馈 收藏
The sum of the digits of a {eq}2 {/eq} digit number is {eq}11 {/eq}. When the digits are reversed, the number is {eq}63 {/eq}. What are the numbers? Elimination Method: (i) The elimination method is used to solve a system of ...
If a two-digit positive integer has its digits reversed, the resulting integer differs from the original by 27. By how much do the two digits differ? 选项: A、3 B、4 C、5 D、6 E、7 答案: A 提问列表 提问: 这题怎么解? 解答:...
Answer to: The sum of the digits of a two-digit number is 8. When the digits are reversed, the number increases by 36. Find the original number...
Let assume that x and y are the two digits of the two-digit number Therefore, the two-digit number=10x+y and Reversed number=10y+x Given: x+y=9. ...(1) According to the question: 10x+y-27=10y+x 9x-9y=27 x-y=3. ...(2) Now, Add equation (1) and
A two digit number can be represented as x•10 + y. For example, 37 = 10•3 + 7. The original number = (10x + y) The sum of the digits is 10 so x + y = 10 If the digits are reversed we have (10y + x) = new number. The new number is 2 less ...
The correct Answer is:25 | ShareSave Answer Step by step video, text & image solution for The sum of the digits of a two digit number is 7. If the digits are reversed, the new number decreased by 2, equals twice the original number. Find the number by Maths experts to help you in...