（1）n的1/3跟n+4一樣大,求n?
（2）一條摩托艇以18英里每小時穿過這個湖比用12英里每小時穿過少用時15分鐘,問這個湖有多長
（3）喬治花25%的錢吃午飯,60%的錢存著吃晚飯,當他吃完午飯后他還有9塊錢,問他花了多少錢吃午飯?
應該都會做吧
if 3 times a less than a number n is the same as the number number increased by a4 ,what is n
if 3 times a less than a number n is the same as the number number increased by a4 ,what is n
a motor boat traveling at 18 miles per hour traveled the length of a lake in one quater of an hour less time it took when traveling at 12 miles per hour ,what was the length in miles of the lake
George spent 25% of the money he had on lunch and 60% of the remaining money on dinner .if he then had 9.00yuan left how much did he spend on lunch
a motor boat traveling at 18 miles per hour traveled the length of a lake in one quater of an hour less time it took when traveling at 12 miles per hour ,what was the length in miles of the lake
George spent 25% of the money he had on lunch and 60% of the remaining money on dinner .if he then had 9.00yuan left how much did he spend on lunch
英語人氣：139 ℃時間：2019-11-02 01:11:02
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