最大公因数是 75,最小公倍数是 450,算一算,450 = 150 X 3= 75 X 2 X 3= 75 X 6显然,这两个数就是150 = 75 X 2,225 = 75 X 3,它们的差就是75 = 225 - 150 = 75 X 1它们的和就是375 = 225 + 150 = 450 - 75 = 75 X 5...