[計量] In a certain apartment building ...
BB P246 Q26
In a certain apartment building exactly 1/3 of the apartment have two bedrooms
and exactly 1/7 of the two-bedroom apartments are front apartments. Which of
the following could be the total number of apartments in the building?
ans.42
我想我不太懂題目的意思，連算都不知該從何算起，
煩請大家幫我解釋一下...
謝謝
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推
10/23 17:41, , 1F
10/23 17:41, 1F
推
10/23 17:45, , 2F
10/23 17:45, 2F
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