MathYouLike MathYouLike Practice Q & A
  • Toggle menubar
  • Toggle fullscreen
  • Toggle Search
  • Practice
  • Q & A
  •    Sign up
  • Newest
  • Featured
  • Votes
  • Unanswered
  • First «
  • 1
  • 2
  • 3
  • 4
  • 5
  • » Last

All Questions

  • Unanswered
  • Votes
  • Featured
  • Newest
...
tuanhotboy
20/12/2018 at 12:43
Votes Answers Follow

Find three positive integers such that the product of these numbers is 9  units greater than the sum of these numbers

 

Math Violympic
  • ...
    Nguyễn Mạnh Hùng 09/01/2019 at 12:34

    This is a problem in the newspaper:"Toán học tuổi thơ" that you must be solve it yourself, shouldn't give it to here!!

  • ...
    FacuFeri 18/01/2019 at 10:03

    You can ask your teacher 

  • ...
    Nguyễn Minh Đức 20/12/2018 at 14:43

    i don't understand :((( 


...
Đức Ngô Minh
19/12/2018 at 15:35
Votes Answers Follow

If n varies directly as m3, and n = 50 when m = 5, find n when m = 60

Math ViolympicGrade 7Varies directly

...
Bibis
07/12/2018 at 18:27
Votes Answers Follow

Let a,b and c be three numbers such that: a= 2^3x3^xx5^2, b=2x3^3x5 and c=280 1*) decompose c into a product of prime factors 2*) find the GCD of b and c 3*) find all possible values of x when LCM (a;b)=2^3x3^3x5^2

 


...
Chim Sung Xoăn
06/12/2018 at 07:45
Votes Answers Follow

1+1=?

I will tick fo person answer fastest for the question. haha 

  • ...
    Vũ Hồng Quân 06/12/2018 at 07:47

     The answer is 2 

    I am fastest so you must for me.

    Chim Sung Xoăn selected this answer.
  • ...
    Bùi Vũ Hoàng Linh 21/01/2019 at 12:43

    2

    Tôi tự tính đấy


...
Vũ Hồng Quân
05/12/2018 at 12:59
Votes Answers Follow

Can you help me? 

The Question is: Find x is a prime number if 5x+3 is a prime number, too.

I think you are very kind when you help me. yeu

  • ...
    Chim Sung Xoăn 06/12/2018 at 07:43

    My answer is n =2 

    for me. love you

    Vũ Hồng Quân selected this answer.
  • ...
    FacuFeri 09/12/2018 at 06:04

    ??? Hack ??? 


...
TTCT Oppa
02/12/2018 at 17:20
Votes Answers Follow

 

 

f(7) = p.77 + q.73 + r.7 - 4 = -p.(-7)7 - q.(-7)3 - r.(-7) - 4

= -[p.(-7)7 + q.(-7)3 + r.(-7)] - 4 = -[f(-7) + 4] - 4

= -(3 + 4) - 4 = -7 - 4 = -11


...
Huỳnh Anh Phương
25/11/2018 at 04:14
Votes Answers Follow

You have an 8 . First, add four times 8. Next, subtract three times 8. Then, mutiply two times 8. And finally, divide by 8. If we round to the nearest ten, what is the correct number?

A)0                  B)20                   C)40                     D)60                          E)80

  • ...
    tuan pham anh 28/12/2018 at 13:56

    My answer is : C

    Huỳnh Anh Phương selected this answer.

...
Huỳnh Anh Phương
23/11/2018 at 09:47
Votes Answers Follow

In the rectangle ABCD, segement AB is twice segement BC. The perimeter of the rectangle  ABCD  is 60cm. Find the area of the rectangle ABCD?

areaperimetergeometry
  • ...
    FacuFeri 24/11/2018 at 09:45

    My answer is :

     \(200cm^2\)

    :D

    Huỳnh Anh Phương selected this answer.

...
Huỳnh Anh Phương
16/11/2018 at 06:00
Votes Answers Follow

Convert 2067mm + 478cm - 0,1356m to km.

Convert
  • ...
    Bùi Mạnh Khôi 19/11/2018 at 11:03

    2067 mm + 478 cm - 0,1356 m 

    = 2,067 m + 4,78 m - 0 , 1356 m 

    = 6 , 7114 m 

    = 0 , 0067114 km 

    Huỳnh Anh Phương selected this answer.

...
PHAMTHITHUTHAO
11/11/2018 at 08:32
Votes Answers Follow

Let a;b;c\(\in\)R such that a\(\ne\)b\(\\ \ne\)c . Prove that;

\(\dfrac{a^2}{\left(b-c\right)^2}+\dfrac{b^2}{\left(c-a\right)^2}+\dfrac{c^2}{\left(a-b\right)^2}\ge2\)


4694

questions

Weekly ranking

  • ...

    Nguyễn Mạnh Hùng

    This week's point: 1. Total: 139
  • ...

    falcon handsome

    This week's point: . Total: 0
  • ...

    Hà Đức Thọ

    This week's point: . Total: 0
  • ...

    Account Test

    This week's point: . Total: 0
  • ...

    Admin

    This week's point: . Total: 14
  • ...

    demo acc

    This week's point: . Total: 0
  • ...

    Nguyen The Thao

    This week's point: . Total: 0
  • ...

    acctest

    This week's point: . Total: 0
  • ...

    nguyễn ngọc bảo hân

    This week's point: . Total: 0
  • ...

    Chibi

    This week's point: . Total: 7

Tags

games 18  double counting 8  generating functions 2  probabilistic method 1  Polynomial 8  inequality 11  area 16  Equation 8  Primitive Roots Modulo Primes 1  Primitive in Arithmetic Progression 6  Base n Representatioons 4  Pell Equation 1  mixed number 1  Fraction 29  Circle 3  Imaginary numbers 1  Decimal number 2  Volume 2  percentages 6  simple equation 19  absolute value 19  rational numbers 20  Operation of Indices 21  Simulataneous Equation A System of Equations 25  Multiplication of Polynomial 17  divisibility 24  Maximum 5  Minimum 6  Fraction 4  Prime Numbers and Composite Numbers 13  Square Number 26  Even and Odd Numbers 13  GDC and LCM 11  GCD and LCM 12  Permutation and combination 9  combinations 5  interger 7  number 10  Diophantine equations 2  equations 1  Grade 6 19  Power 3  equality 2  maxima-minima 2  square root 1  Polygon 2  IGCSE 1  factorial 1  integers 1 
© 2016 MATHYOULIKE
Crafted with by OLM.VN