12/(1/5)=60
60*(3/10)=18
The same number is 18
If 1/5 of a number is 12,What is 3/10 of the same number?
If 1/5 of a number is 12,What is 3/10 of the same number?
英语人气：519 ℃时间：2019-10-24 05:31:37
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