Các câu hỏi tương tự
How many whole numbers between 100 and 400 contain the digit 2?
Find the values of a,b and c such that
\(\left(ax^2+bx+c\right)\left(x-1\right)=-5x^3+4x^2+3x-2\).
Answer: The values of a,b and c are ......... , respectively.
(used " ; " between the numbers)
Find the number of 3-digit positive numbers that have product of digits equals to 21.
Let a;b;c be positive real numbers such that \(a^2+b^2+c^2=\frac{1}{3}\). Prove that :
\(4\left(a+b+c\right)+\frac{2}{3}\left(\frac{1}{a}+\frac{1}{b}+\frac{1}{c}\right)\ge10\)
we have 1234 is a four-digit number that the product of it is 24.how many 4-digit number that the product of it is 24?
Let \(a,b,c\ge0\) and \(ab+bc+ca+abc=4\). Prove that:
\(3\left(a^2+b^2+c^2\right)+abc\ge10\)
How many beutiful solution on this problem ?
A Funny Topic Inequilities " giải nhiệt mùa hè " :v
The sum of 2018 and a 3-digit number is a square number. Find the smallest possible value of the 3- digit numbers
How many integers x that satisfy both inequation such that /x/+5 < 7 and /x-3/ > 2
How many integers x that satisfy both inequation such that /x/+5 < 7 and /x-3/ > 2