.

INCLUDEPICTURE "http://www.almohandes.org/vb/uploaded3/194459_1244850957.jpg" \* MERGEFORMATINET

:1- ( )2- + ( +1 )3- - ( -1 )4- - ( -2 ) 24 4 *24 4 = 6 1 : 6 *24 4 = 6 + 1 = 7 1 : 7 + 1*24 4 = 6 1 = 5 1 : 5 1*24 4 = 6 2 = 4 1 : 4 2

: :1- : . 5 :7 . .2- : .3- : .4- : . . . 1.5 220 8.