500 yuan flower: 500*0.9=450 yuan.
Therefore, the goods purchased at a cost of 466 yuan exceed those purchased in 500 yuan, and the excess amount is: (466-450)/0.8=20 yuan.
Actual shopping price of 466 yuan: 500+20=520 yuan.
(1) After shopping twice, the value of the items without discount is 134+520=654 yuan.
(2) Shopping twice saves 654- 134-466=54 yuan.
(3) If you combine the money you bought twice and buy the same goods at one time, you will save more money!
Because: the total cost is (654-500)*0.8+450=573.2 yuan.
Province: 654-573.2=80.8 yuan, and 54 yuan Province is 26.8 yuan.