數學暑期功課答案!急!!!!thx!!!!!10點!!!!

2011-08-05 6:47 am
折扣:

求出下表的未知項:

定價 售價 折扣 便宜
1.____ $19.8 ____ $10.2
2.$40 $38 ____ _____
3.$120 ____ ____ $24
4.____ $90 七五折 _____
5.$250 ____ less18% _____
6.____ $135 九折 _____
7.$180 ____九折九扣 _____
8.$450 $315 _____ _____
9.$250 ____ 雙六折 _____
10.____ $171 五%off _____

thx!!!!^^





回答 (1)

2011-08-05 10:26 am
✔ 最佳答案
定價 售價 折扣 便宜
1 $30 $19.80 less 34% $10.20
2. $40 $38 九五折(less 5%) $2
3. $120 $96 八折 (less 20%) $24
4 $120 $90 七五折 $30
5. $250 $205 less18% $45
6 $150 $135 九折 $15
7. $180 $145.80 九折九扣 $34.20
8. $450 $315 七折 (less 30%) $135
9. $250 $90 雙六折 $160 ~ I am not sure about this one
10 $180 $171 五%off $9

Question 9:
什麼是雙六折? 六折再六折? 要買兩個東西才有六折?


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