Array de 10 numeros de 1 al 100

Suma , media y orden a la inversa



Array
(
    [0] => 68
    [1] => 76
    [2] => 66
    [3] => 24
    [4] => 20
    [5] => 27
    [6] => 59
    [7] => 59
    [8] => 29
    [9] => 33
)
la suma de los numeros es:  461
La media de los nĂºmeros es:   42.8
El array en orden inverso:
Array ( [0] => 33 [1] => 29 [2] => 59 [3] => 59 [4] => 27 [5] => 20 [6] => 24 [7] => 66 [8] => 76 [9] => 68 )