Răspuns :
48 x ( 450 - 325 ) = 48 x 125 = 6000
48 x ( 450 - 325 ) = 48 x 450 - 48 x 325 = 21600 - 15 600 = 6000
48 x ( 450 - 325 ) = 48 x 450 - 48 x 325 = 21600 - 15 600 = 6000