De thi chon hoc sinh du thi homc lan thu 10 2013

DA PHUC HIGH SCHOOL MATHS TEST GRADE: 10 School year: 2012-2013 Time allowance: 90 minutes  - Let Find the value of Find all integer numbers such that is a perfect square Caculate the sum: Solve the equation: Let be a triangle with the median such that Let K be a point belong to the line segment Let E be intersection point of Find the function and Find satisfying: Let has two real roots Let Prove that: Given a triangel of vertex Let meet the line with at = The exterior angel bisector Find the length of the line segment be three positive real numbers satisfying: Prove that: 10 Let be real numbers satisfying: Prove that: THE END