a+positive+attitude
芮盛苇1038一道英文数学题..if a
芮盛苇1038...75cents for each additonal half - pound.Which of the following exressions represents the total charge,in cents for p pounds of the salad,where p is a positive ... -
扈度软19262683004 ______[选项] A. 25(6p+8) B. 25(6p+5) C. 25(3p+5) D. 1.25+1.5p E.2+0.75(p-1) 答案是B 为什么啊.不是200+75(p-1)么?
芮盛苇1038C/C++求 a*x+b*y=c? -
扈度软19262683004 ______ #include int main(){ int a,b,c; int x=0,y=0; do{ printf(＂Enter the value of a: ＂); scanf(＂%d＂,&a); printf(＂Enter the value of b: ＂); scanf(＂%d＂,&b); printf(＂Enter the value of c: ＂); scanf(＂%d＂,&c); if(a>0&&b>0&&c>0&&a!=b) break; printf(＂...
芮盛苇1038编制一个C程序,从键盘输入30个实数,分别计算并输出以下五个量;所有正数之和,所有负数之和,所有数的绝 -
扈度软19262683004 ______ #include main(){ double a[30],s1=0,s2=0,s3=0; int i,c1=0,c2=0; for(i=0...
芮盛苇1038已知数列{an},an≥0,a1=0,(an+1)^2+a(n+1) - 1=an^2(n∈N+)求证当n∈N+时,an<an+1 -
扈度软19262683004 ______ First, we should prove that an<1.Because a1=0<1, if 0<=an<1, then (an+1)^2+a(n+1)<2, then 0<=an+1<1.Second, we prove the conclusion.Because 0<=an<1 for all positive integer n, so a(n+1)-1<0, then (an+1)^2>an^2.So an<an+1.
芮盛苇1038...= a1,a2,...an.A consecutive subsequence of A (say ai,ai+1 ...aj) is called a ＂repeated sequence＂ if it appears more than once in A (there exists some ... -
扈度软19262683004 ______[答案] 兄弟,你做的微软编程一小时那个题目吧? 你就差一点点,看到错误估计你要后悔了…… kmp函数第四行改成 for(int j=1;j
芮盛苇10381/a^2+1/b^2+1/c^2=0 abc为互不相等的整数,用英语回答abc的所有值
扈度软19262683004 ______ The answer is undifind since a^2, b^2, c^2 all equal or greater than 0, but a^2, b^2, c^2 can not be 0, which means a^2, b^2, c^2 are all positive number.1/a^2+1/b^2+1/c^2 will equal to 3 positive number add together,which will must be greater than o.
芮盛苇1038if n is a positive integer,what is the remainder when 3^(8n+3) + 2 is divided by a.0 b.1 c.2 d.3 e.4need detailed explanation!thx -
扈度软19262683004 ______[答案] 如果N是正整数,当3^(8n+3) + 2 被5整除的余数是多少? 8n+3 when divided by 4 gives a remainder of 3. Since powers of 3 make cycles of 4 i.e.3,9,27,81,..3,..9,..7,..1,..3 so 38n+3 will have 7 at the units place. when 2 is added we get 9 at the units ...
芮盛苇10382.Find all the positive integer values of the fraction (a^2+ ab + b^2)/(ab − 1),where a,b are positive integers,not both equal to 1 -
扈度软19262683004 ______[答案] 1.if a=b,then a=b=2 2.if a≠b,assume a>b≥1,
芮盛苇1038提问GMAT余数题,实在数学差,希望指点!If n is a positive integer and r is the remainder when (n - 1)*(n+1) is divided by 24, what is the value of r?1. 2 is not ... -
扈度软19262683004 ______[答案] Answer:According to the given condition,we have (n-1)(n+1)-r = 24m,where m is an integer,and therefore,r = n²-1-24m.1.Let m=0,n=3,we have r=8.Note that 2 is not a factor of n when n=3.2.Let m=0,n...