Cho phân số ahttps:https://LogaVN.net/image/faq/data2/216985_.https://LogaVN.net/image/faq/data2/216985_.LogaVN.nethttps://LogaVN.net/image/faq/data2/216985_.imagehttps://LogaVN.net/image/faq/data2/216985_.faqhttps://LogaVN.net/image/faq/data2/216985_.data2https://LogaVN.net/image/faq/data2/216985_.563596_.b = 21https:https://LogaVN.net/image/faq/data2/216985_.https://LogaVN.net/image/faq/data2/216985_.LogaVN.nethttps://LogaVN.net/image/faq/data2/216985_.imagehttps://LogaVN.net/image/faq/data2/216985_.faqhttps://LogaVN.net/image/faq/data2/216985_.data2https://LogaVN.net/image/faq/data2/216985_.563596_.35 biết ƯCLN(a;b) = 30. Tìm phân số ahttps:https://LogaVN.net/image/faq/data2/216985_.https://LogaVN.net/image/faq/data2/216985_.LogaVN.nethttps://LogaVN.net/image/faq/data2/216985_.imagehttps://LogaVN.net/image/faq/data2/216985_.faqhttps://LogaVN.net/image/faq/data2/216985_.data2https://LogaVN.net/image/faq/data2/216985_.563596_.b.

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