zd42e5zd42e5zd42e5zd42e5
59+39
88*42
A Ponzi scheme is a fraudulent investment operation in which returns to investors are paid from funds collected from new investors...
(5- 1^{1}1 ) 3^{3}3 =xy
8/1/3
Si una caja contiene 3 bolas rojas y 2 bolas azules, y se saca una bola al azar, se registra su color y se devuelve a la caja ante...
4/5*9/10
Let X beatopological space; let A be a subset of X. Suppose that for each x ∈ A
there is an open set U containing x such that U ...
0=5.55-0.28x
