If a is an odd number,then there must exist an integer such that a²-1=（）求数学答案A.3n,B.5n,C.8n ,D.16n选择

If we add 9 to for times a certain number,the answer is 33.What is the numbe 英文数学概率题If three fair dice are thrown,and the sum is an odd number,what is the probability that all threedice show an odd number? Fill in each blank with an answer as easy as possible.(a)M is a triangular number if and only if___________ is an odd square number.(b)N is an odd square number if and only if____________is a triangular number.triangular number:n(n+1)/2,square number GMAT数学求解If x, y, z areinteger and xy+z is an odd integer, is x an even integer?1) xy+xz is an even integer2) y+xz is an odd integer If p is an odd integer,which of the following is an even integer?A.p – 2 B.p2 C.p2 – 2 D.(p – 2)2 E.p2 – p If k is a positive integer,which of the following must represent an even integer that is twice the value of an odd integer答案是4k+2 If a is an odd number,then there must exist an integer such that a²-1=（）求数学答案A.3n,B.5n,C.8n ,D.16n选择 请翻译一道SAT的题If a and b are both odd intergers,which of the following can be an odd interger? if X is an integer,which of the following will produce an odd number?A.3x² +1 B.x²+2xX是不等于0的整数A.B都存在奇数和偶数的情况啊? 第十三届希望杯第二试2002年初一希望杯If a(字母a) is an odd number ,then there must exist an integer n such that a的平方-1=（英汉小词典：odd number 奇数；there mustexist 一定存在；such that 使得） 求高手帮我做个简单的VB程序Divide the number with 2.Convert the result to an integer.Multiply this integer with 2.If the product is equal to the original number,it is an even number,otherwise it is an odd number.To convert a number to an i 英语翻译如：Layers can consist of a single ply or two or more plies laminated such that their grain is parallel ,a panel can contain an odd or even number of plies but always an odd number of layers. 关于高次多项式函数的图像问题High-degree polynomial function:If n (the highest exponent)is odd,and An＞0,the graph falls to the left and rises to the right.If n is odd,and An＜0,the graph rises to the left and falls to the right.If n i 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 an odd kind of 请问an odd couple That's a bit of an odd question.中文翻译是什么? for x >= o f(x)= x2-x how is f defined for x < 0 if (a) f is even (b) f is odd