25 % |
. .

ǿ : ( ) . .
. . 6 .
.

.

| | | |

4-6 . . . . 3 .



| | | | | | | | | | | | | | | | | | | | | | | | | | | | | ٢٤ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |