the first four digits of your passport national ID number followed by your postal code顺便举个例子

divide by the first three digit 例如The first four mr.meek has a new phone numder and he loves it because the extension（last four digits)has the middle two digits the same,just like his namethe repeated digit also happens to be the same as the first digit of mr.humdle's new extensionand the first d SAT一道数学how many positive four-digit integers have 1 as their first digit and 2 or 5 as their last digit?答案说是200,我为什么觉得是144? 英语数学综合题1.The fraction 2/(x^2-3x+2)can be written as an infinite series.Find the sum of the first four terms of the series espansion for x=-1 and x=-2.2.Many different seven digit integers can be formed by permuting the digits 1-7;like 1 关于阶乘的How many seven-digit telephone numbers are there for any one area code if the numbers 0 or 1 can not be used as the first digit of a seven digit phone number? write a program to read a four digit integer and print the sum of its digits.Hint :Use / and % operators. How many different four-digit numbers can be formed by rearranging the four digits in 2004?A.4 B.6 C.16 D.24 E.81 What are the first four books of the New Testament? A four- digit integer,WXYZ,in which W X Y and Z,each represent a diffrent digit,is fprmed according to the following rules1 X=W+Y+Z2 W=Y+13 Z=W-5What is the four-digit integer? we will spend (the four first) days in Paris.怎么翻译?为什么用the four first days. How many four-digit positive integers are there with thousands digit c语言 ACM 题Description A number is said to be made up of non-decreasing digits if all the digits to the left of any digit is less than or equal to that digit.For example,the four-digit number 1234 is composed of digits that are non-decreasing.Som the first but one、the first but two、the first but three、the first but four、……什么意思 请详细说明并附有例句, C语言 求一C语言程序 例如：第一行 5 6 7 8 第二行 678 第三行 78 第四行 8first line : all digitsecond line :all except first digit third line : all except first two digits.last line : the last digit ~~ do you understand ?~~ 求英语翻译For how many positive two-digit interger is the ones digit greater than twice the tens digit? 英语化学题,what is the maximum number of electrons ineach of the first four energy levels? 英语翻译A three-digit number has hundreds digit h,tens digit zero ,and units digit r.If this number is divided by 10,the result is?