单选题If the lengths of the legs of a right triangle are integers, what is the area of the triangular region?1 The length of one leg is 34 the length of the other. 2 The length of the hypotenuse is 5.
单选题What is the units digit of 2635-1781?
单选题圆心在原点、半径为5的圆上有多少个整数点?
单选题Both m and n are positive integers greater than 1.If 23m-2=21n-3，what is the least possible value of m+n?
单选题If seven integers are ordered from least to greatest, what is the median of the resulting sequence?1The average mean of the resulting sequence is 90.2The greatest four integers are 90, 91, 92, 93.
单选题In a certain group of people, the average arithmetic mean weight of the males is 180 pounds and of the females, 120 pounds. What is the average weight of the people in the group?1 The group contains t
单选题If p＞q＞w＞r and p-q＞m m＞0, p and q are odd integers, w, r and m are even integers, then the least possible value ofp-ris?
单选题What is the length of the hypotenuse of △ABC?1 The lengths of the three sides of △ABC are consecutive even integers. 2 The hypotenuse of AABC is 4 units longer than the shorter leg.
单选题What is the range of 0，0，1，1，3，3，3，4，5，-7?
单选题There are five numbers in a list, the first number is less than 4, the second number is between 4 and 5, the third number is 6, the fourth number is between 10 and 20, the fifth number is greater than
单选题In an auditorium，360 chairs are to be set up in a rectangular arrangement with X rows of exactly Y chairs each．If the only other restriction is that 10＜x＜25． how many different rectangular arrangement
单选题三条直线能够把一个圆的内部最多分成多少个没有重叠部分的区域?
单选题If n is an integer greater than 2, which of the following CANNOT be all even integer?
单选题Ythex has developed a small diesel engine that
单选题In the figure above, the area of the circular region with center O is 16π, if AB=AC, what is the length of AB?
单选题All trainees in a certain aviator training program must take both a written test and a flight test. If 70 percent of the trainees passed the written test, and 80 percent of the trainees passed the fli
单选题The averagearithmetic meanof M consecutive odd integers is 10. What is the smallest number in the sequence?1The range of the M consecutive odd integers is 14.2The greatest number of the M consecutive
单选题Is x equal to 1?1x2=12x2+x-2=0