* Solution let the numbea is xy fen's digitunit digir unit diait (y) is doubles the ten's dugit(×) so,$$ y=2x $$ if digits ase revexed, numbea is yx nece numbea=27+original numbes $$ (10y+x)=27+(10x+y) $$ $$ ky=2x $$ $$ 10(2x)+x=27+10x+2x \\ 20x+1x=...
Insert the number ‘2’between the tens digit and the units digit of a two-digit number. The newly obtained three-digit number is 9 times larger than the original two-digit number. The original two-digit number is( ). 在一个两位数的两个数字之间加一个2,所得到的三位数是原来两位数的9倍...
Each of the digits 0 through 9 is used exactly once to creat a 10-digit integer. Find the greatest 10-digit number which uses each digit once and is divisible by 8 ,9, 10, and 11. A three-digit number, which is divisible ...
Answer to: If the units digit of a two-digit number is 6 more than the tens digit and the number is 8 more than twice the sum of the digits, what...
If n is a positive integer,and if the units’digit of n2 is 6 and the units’digit of (n-1)2 is 9,the units’digit of (n+1)2 is ___. (英汉小词典 units’digit:个位数字)
1The hundreds digit(百位数字) of a 3-digit number is 2 more than the units digit. The digits of thethree-digit number are reversed and the result is subtracted from the original 3-digit number. What is the u-nits digit of the difference? ( )(A)2(B)4C)6(D)8 2The hundreds digi...
结果1 题目 The units digit of a two-digit number is 4more than the tens digit. If the digits of the number are reversed, a new number is formed which is 10more than twice the original number. Find the original number. 相关知识点: 试题来源: 解析 26 26 反馈 收藏 ...
1. The unit digit of a two-digit number is 3 and seven times the sum of the digits is the number itself. Find the number. View Solution The digit of a 2-digit number in a unit is 5 and the sum of the digits is the(15)of the original number Find the number. ...
cm to digit cm to vara cm to pygme cm to puDefinition: CentimeterA centimetre (American spelling centimeter, symbol cm) is a unit of length that is equal to one hundreth of a metre, the current SI base unit of length. A centimetre is part of a metric system. It is the base unit ...
Quantity B: The units digit of A.Quantity A is greater. B.Quantity B is greater. C.The two quantities are equal. D.The relationship cannot be determined from the information given 显示答案 登录后才可以添加做题笔记哦,还没有账号? 马上注册 KMF 解析 网友解析 题目数据 收起 暂无解析...