RÄspuns :
( 100 * d - 110 ) : 39 = 10
( 100d - 110)/39 = 10
100d - 110 = 390
100d = 390 + 110
100d = 500
d = 5
( 100d - 110)/39 = 10
100d - 110 = 390
100d = 390 + 110
100d = 500
d = 5