单项选择题
A. 0 B. less than 6 C. greater than 6 D. an even integer E. an odd integer
If the sum of five consecutive even integers is 70,what...
单项选择题If the sum of five consecutive even integers is 70,what is the value of the greatest of the five integers.()
A. 12 B. 14 C. 18 D. 20 E. 22
If r and 8 are positive integers,each greater than 1,an...
单项选择题If r and 8 are positive integers,each greater than 1,and if 11(s-1)=13(r-1),what is the least possible value of r+s()
A. 2 B. 11 C. 2 D. 24 E. 26
What is the least prime number greater than 83?() A. 85...
单项选择题What is the least prime number greater than 83?()
A. 85 B. 87 C. 88 D. 89 E. 91