T is the ten digits of a two-digit positive integerGRE的mathematics conventions有个例子是“T is the tens digits of a two–digit positive integer,so T is an integer from 1 to 9”,我不太明白前半句话的意思,a two–digit positive int

T is the ten digits of a two-digit positive integerGRE的mathematics conventions有个例子是“T is the tens digits of a two–digit positive integer,so T is an integer from 1 to 9”,我不太明白前半句话的意思,a two–digit positive int if n is a positive integer,how many of the ten digits from 0 through 9 could be the units digit of n^3? 晕乎乎了~T^T求助大侠数学题2、What are the last two digits of the2、What are the last two digits of the number which is formed by multiplying all the odd numbers from 1 to 1000000? 根据音标写出单词；/rait /Ten and ten is ten ,is it（ Don't（ )on the wall. 英语翻译1、Did you know?In the decimal number system (base 10) ten different digits,0 to 9,are used to write all the numbers.In the binary number system (base 2) two different digits are used,i.e.0 and 1.Which one of the following numbers is not how many natural numbers whose ten digits are smaller than the ones digits are there from 10 to 99?翻译这句话. 数学应用题(英文的)Can you guess this number? The number is not an odd number.o It has exactly four factors.o If you reverse the digits,a prime number is formed.o The sum of the digits is a two digit prime number.o The number is less t seven,and,t(),iS,ten the sum of the digits of two number is 12.the tens digits is twice the unit digit.find the number 英文数学题求救,分数类的!A find the decimal expamsion for 1/43B show that 9 is a factor of the sum of the digits in the repetend of 1/7.1/39,1/43C suppose none of 2,3,5 is a factor of n.Explain why 9 is a factor of the sum ofthe digits in t In a game,Children is requested to take S (1＜=S＜N) digits from a big number which has N digits (1＜N＜240),when they have taken all the S digits form the number ,all the digits left should be the most minimum if the order of the digits left is AMC12的题目The Fibonacci sequence starts with two 1s, and each term afterwards is the sum of its two predecessors. Which one of the ten digits is the last to appear in the units position of a number in the Fibonacci sequence?答案是6,有详解, 翻译,The digits total 10. SAT 2010年1月的题目有2个问题1.有一道这样的数学题The digits 1,2,3 and 4 are to be rearranged randomly, to make a positive four-digit integer. What is the probability that the digits 1,2 and 3 will be directly next to each other, in t what two digit whole number is twice the product of its digits? 英语意思：numbers in which the sum of its digits is a perfect square digits of the product of 25^16*2^38 is（） SAT数学（英文数学双强者优先）If P,Rand T are digits in the positive three-digit integer PRT,what is the decimal equivalent of PRT*10^(-2)?不是P.答案却是PR.TOO?WHY?