单选题If a and b are integers and a-b=8, thena+b CANNOT be
单选题What is the number of integers that are common to both set S and set T? 1 The number of integers in S is 7，and the number of integers in T is 6. 2 U is the set of integers that are in S only or in T o
单选题Is the perimeter of a certain rectangular garden greater than 50 meters?1 The two shorter sides of the garden are each 15 meters long. 2 The length of the garden is 5 meters greater than the width of
单选题From 1973 to 1986, growth in the United States
单选题What is the tens digit of integer x?1The remainder is 30 when x is divided by 100.2The remainder is 30 when x is divided by 110.
单选题A merchant paid $300 for a shipment of x identical calculators．The merchant used two of the calculators as demonstrators and sold each of the others for ＄5 more than the averagearithmetic meancost of
单选题如果将小数0.123456789101112…无限不循环地把所有整数都列出来，那么小数点后第100位的数字是多少?
单选题在明光律师事务所有24名律师，如果有12的男律师和13的女律师开车去公司上班，那么最多有多少名律师开车上班?
单选题How many even integers are between 174 and 472?
单选题If the two roots of the equation 2x2-mx-k-m=0 are 6 and 2，what is the value of k?
单选题从100到999inclusive中取出一个数，这个数中3个数字都相同的概率是多少?
单选题Is x greater than y?1x is greater than 4y2 The difference x-y is 3
单选题Patricia purchased x meters of fencing. She originally intended to use all of the fencing to enclose a square region, but later decided to use all of the fencing to enclose a rectangular region with l
单选题How many positive integers less than 100 are NOT equal to squares of integers?
单选题有1，2，3，4，5，6六个数，从中任意取出两个不相等的数相加，得到一个偶数。问两个数相加和为偶数的情况中两个数都是奇数的概率?
单选题Which of the following, if true, most logically
单选题What is the units digit of positive integer x?1x divided by 9 has a remainder of 5.2x divided by 3 has a remainder of 2.