Given a square with the length of one side is 8 cm and a isosceles triangle with the length of its base is 12 cm. If the area of the square is equal to the area of the isosceles triangle then what is the length of the height of the isosceles triangle, in cm? 

The average of three numbers is 42. All three are whole positive number and are different from each other. 
If the least number is 20, what could be the greatest possible number of the remaining two numbers? 

Three children: Mark, Tom, Andy ate 23 cookies altogether. Tom ate more cookies than Andy, Mark. What is the smallest possible number of cookies that Tom ate? 

A survey showed that of 120 secondary school students: 52 of them have a dog, 31 of them have a cat and 19 of them have both.
How many of the 120 students have neither a dog nor a cat? 

Given 𝐴 = 9𝑥² + 8 − 12𝑥 and 𝐵 = 2. 
To compare: 𝐴 …𝐵.

Cho x,y,z >0 thỏa mãn x+1/y=y+1/z=z+1/x

Tính P=x.y.z

Cho x,y,z >0 thỏa mãn x+1/y=y+1/z=z+1/x

Tính P=x.y.z

Cho x,y,z >0 thỏa mãn x+1/y=y+1/z=z+1/x

Tính P=x.y.z

Cho x,y,z >0 thỏa mãn x+1/y=y+1/z=z+1/x

Tính P=x.y.z

Cho x,y,z >0 thỏa mãn x+1/y=y+1/z=z+1/x

Tính P=x.y.z