Factorial n! means the product of the first integers from 1 to n. What is the least positive integer n such that n! is a multiple of 2015*2016?
Trình bày lời giải cho mình nhé
Each digit of a positive integer is 1 or 2 or 3 . Given that each of the digit 1;2 and 3 occurs at least twice
What is the smallest such integer that is not divisible by 2 or 3?
Mọi người giúp nhé mình sẽ like nhiều tick nhiều cho!
Mik đang cần giúp nhé
moi chu so cua mot so nguyen duong la 1 hoac 2 hoac 3.cho rang moi chu so 1,2 va3 say ra it nhat 2 lan
so nho nhat do la gi ma khong phai chia het cho 2 hoac 3
What is the largest integer n such that there is a multiple of 4 less than n2 but greater than n2+\(\frac{2016}{n^2}\)?
Suppose n is a positive integer and 3 arbitrary numbers are choosen from the set {1, 2, 3, . . . , 3n+ 1} with their sum equal to 3n + 1. What is the largest possible product of those 3 numbers?
Các pro có ý tốt giúp em có thể giải bài bằng tiếng Việt. Em cảm ơn!
1) ABC is a triangle where M is the midpoint of segment BC.
MD and ME are two bisectors of triangles AMB and AMC respectively.
If AM= m; BC = a . Then DE = ???
2)\(\dfrac{1}{\left(x+29\right)^2}+\dfrac{1}{\left(x+30\right)^2}=\dfrac{5}{4}\)
What is the product of all real solutions to the equation above?
3) The sum of all possible natural numbers n such that
\(n^2+n+1589\) is a perfect square is.....
4) Given that x is a positive integer such that x and x+99 are perfect squares
The sum of integer x is ...
5)The operation @ on two numbers produces a number equal to their sum minus 2. The value of
(...((1@2)@3....@2017)
6) Given f(x)=\(\dfrac{x^2}{2x-2x^2-1}\)
=> \(f\left(\dfrac{1}{2016}\right)+f\left(\dfrac{2}{2016}\right)+f\left(\dfrac{3}{2016}\right)+...+f\left(\dfrac{2016}{2016}\right)\)
Các bn giúp mk vs >>> tks nha!!!
?????????????????????????????????????????????? Are you learning English or Math? I'm sure you are're mistake of English
Giúp mình giải bài toán bằng tiếng anh với. Mình cảm ơn nhiều!
Bài 1. The number of fractions m/n such that m + n = 2016 is..........?
Bài 2. Using each of the digits 2,3,5 and 6 exactly once, form two 2-digit numbers. What is the difference between the largest possible product anf smallest possible product of two suchnumber?
1.Find the greatest negative integer value for n so that:
n4 - 25n2 - 70n - 49
2.Toán tiếng anh: If the length of a leg of a right angle is 11 and the lengths of the other two side are both positive integers, then the perimeter of a triangle is.............
all positive integers appear in the sequence 1,2,2,3,3,3,4,4,4,4,..,and each positive integer k appears i the sequence k time . in the sequence, each term after the first is greater than or equal of the term before it. if the intrger 12 first is appears in the sequence as the nth term ,what is the value of n ?
A)62 B)66 C) 65 D)67 E)64
Question 1:
The least common multiple of 330; 65; 15 is
Question 2:
Given seven numbers: 25; 17; 39; 43; 239; 1021; 1023.
The composite numbers are
(Write numbers in order from the least to the greatest and use ";")
Question 3:
The common factors of 18 and 27 are
(Write numbers in order from the least to the greatest and use ";")
Question 4:
Given the set of even numbers: {2; 4; 6; …; 100}.The number of elements is
Question 5:
Find four integer numbers a,b,c,d such that
a + b + c + d = 1
a + c + d = 2
a + b + d = 3
a + b + c = 4
Answer: (a;b;c;d)=()
Question 6:
Find a four-digit natural number that is less than 2015.If the thousands digit is erased,the number will be decreased by 9 times.
Answer:The number is
Question 7:
Calculate: 1×2+2×3+⋯+100×101=
Question 8:
The term of the expression A=1-7+13-19+25-31+⋯ is
Question 9:
Given the expression A= ...
Find the value of n such that 2A+3=
Answer: n=
Question 10:
A natural number has six digits and the units digit is 4.If the units digit is moved to the first row then the number will be increasedby 4 times.The number is
1 How many triples of integers (a,b,c) are there such that
?
2
2) Vì ABC và RTS là 2 tam giác đồng dạng nên:
\(\frac{AB}{RT}=\frac{BC}{TS}\Leftrightarrow\left(\frac{8}{4}\right)=\frac{x}{5}\Rightarrow x=10\)