亯 ԽԴϴ. ڰ, õ Ϲ Ǵ ̰ ּ.
ȳϼ
пԴϴ.
1/2 ̸ մϴ.
1/7 ϽǼ ִٸ
1 Ǿ ϰ ִ (70 ) Ͽ
ֽø ϴ ͵ ϹǷ ڼ
п ȭ Ź帳ϴ.
(Ǵ Ὺ Ͻø鼭 ݿ ϴ ֽϴ. ֽø ڼ ȳ 帮 ϰڽϴ.)
մϴ.
Ʒ ̹ Դϴ.===================
>>Ϲݱ ʱ 1/2 ϴ ŷ û ߴµ .
>>ʰ ûؼ ȵǴ .
>> 1, 2 ִ װ ΰ?
>> ϸ 1/7 ϴ ϰ ;.