How many four-digit positive integers are there with thousands digit

How many four-digit positive integers are there with thousands digit 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? 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 with 1234can from how many different four-digit number?不用翻译，写个过程就行了。好的给十分！ 求英语翻译For how many positive two-digit interger is the ones digit greater than twice the tens digit? 英语翻译How many 3-digit positive integers are odd and do not contain the digit 5? 英语翻译How many 3-digit numbers have only one digit 5 in them? How many 3-digit numbers have only one digit 5 in them? How many 3-digit numbers are divisible by How many 3-digit positive intergers are odd and do not contain the digit 怎么算?请指教 How many 3-digit numbers between 100 and 1000 have a 4 as the middle digit?的翻译 英语翻译how many integers between 9 and 100 have the tens digit equal to 4 or 5 and the units digit(ones digit ) equal to 7,8 or How many 3 digits numbers have exactly one digit 5 in them?ji How many 3-digit numbers have exactly one digit 5 in them4月22日11点之前解答,谢谢了!(解释并写出答案） 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? How many w_____ deos a car have?Four. I have four classes every day.(用how many提问) I have four cousins 改成用（how many)的疑问句