D : I = C D=C· I sau D = I·C +R (x+20) :8 = 35 rest 4 atunci deimpartitul x+20= 35· 8 +4 x+20=284 atunci x = 284 -20 x= 264 2640 :( y - 90) = 264 2640 = 264 · ( y- 90) 2640 :264 = y -90 10 = y-90 atunci y =100 z : ( x-64 ) = ( y -14 ) +5 z : ( 264- 64) = ( y - 14 ) +5 z = 200 ·( y -14) +5 z = 200 ·( 100 -14) +5= 200 ·86 +5=17205