數學題 緊急！！!!!!!!!!!!!!?
2018-01-02 7:21 pm
In a supermarket,the price of an apple is $2.5,and an orange is$3.Alan got $2 left after buying some apples .However,he would need $2 more if he wanted to buy the same number of oranges.Find the number of apples he bought.
回答 (1)
2018-01-02 8:08 pm
Sol
(2+2)/(3－2.5)
=4/0.5
=8
(2+2)/(3－2.5)
=4/0.5
=8
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20180102112128AArexjv