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

英语翻译In the integer 3589 the digits are all different and increase from left to right.How many integers between 4000 and 5000 have digits that are all different and that increased from left to right? How many positive integers less than 1000 are multiples of 5 and are equal to 3 times an even integer? 英语翻译constnum = 5;varn:integer;function r(n :integer) :integer;vari :integer;beginif n 英语翻译 how many apples do you have 英语翻译可以说how many hills you burnt? 英语翻译how many dasks are there 英语翻译Given any integer 0 一道英语数学题的翻译!how many numbers from 1 to 200 inclusive are equal to the cube of an integer When 53 is divided by a positive integer n ,the remainder is 3 .How many values of n are possible?THE ANSWER IS 4,BUT WHYYYYYYYY? if n is a positive integer,how many of the ten digits from 0 through 9 could be the units digit of n^3? 英语翻译How many functions are there from the set {1,2,3,...,n},where n is a positive integer,to the set {0,1}a) that are one-to-one?b) that assign 0 to both 1 and c) that assign 1 to exactly one of the positive integers less than 主要是b和c 英语翻译Given any integer 0≤n≤10000 not divisible by 2 or 5,some multiple of n is a number which in decimal notation is a sequence of 1's.How many digits are in the smallest such a multiple of 英语翻译How many days are there in a year How many days make a year how many how many, 一道SAT数学题,求翻译! How many different ordered pairs (x一道SAT数学题,求翻译! How many different ordered pairs (x,y) are there such that x is an even integer, where 4<_x<_10, and y is an integer, where 4<x<10 how many how 英语翻译How many pairs of shoes do you have?