Find the number of terms 1）2+4+8+.+512 和 2）8/81-4/27+2/9-.1又11/16好像要用到 n th term=ar n-1 （n-1在r的右上方 就是平方的位置） 第一个答案得9 第二个得8 因为上次没去听课 我在国外 这里老师讲的也不

hrice a number is greater than 3/4 of the number by 81 ,find the number find the sum of the whole number from 34---100. 英语翻译times the number of men by 32.Find the number of men. Math questions.150 points.The number of hours,H,of daylight in Madrid at paricular time of year may be approximate by H(t)=12+2.4sin[0.0172(t-80)] where t is the number of days since the start of the year.Find the average number of hours of daylight 英语翻译原题：Prime text Description Given a big integer number,you are required to find out whether it's a prime number.Input The first line contains the number of test cases T (1 out of T-pages.please increase the number of 英语翻译Find a linear equation that models the temperature T as a function of the number of chirps per minute N.请问T和N 谁是Y 谁是X 英语翻译Find the number of full houses in a poker hand,that is,the number of poker hands with three of a kind and two of a kind. the sum of the digits of two number is 12.the tens digits is twice the unit digit.find the number 英语翻译Let's see can you find out the number of his flight find the number of 20 and color it中文什么意思 Write a program to find all Armstrong number in the range of 100 and 999. 英语翻译A number is chosen randomly from all of the 2-digit integers ,find the probability that the units digit of the number is 3. a number of the number of the number of,a small number of,a number of. There are 42 students in S1A.The number of boys is 4/3 times that of girls.Find the repective number of boys and girls there. the number of造句 the number of造句