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nguyenvanhai6281
2 năm trước
cho đường tròn tâm O và một điểm M nằm bên trong đường tròn. Qua M, hãy vẽ dây cung dài nhất và dây cung ngắn nhất ( chỉ và giải thích cho mình nhé <3 )
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Giúp mk vs có dịch thì càng tốt Thanks nha ~ Ha Long Bay is a UNESCO World Heritage Site and popular travel (1).............in Quang Ninh Province. The bay featyre thousands of limestone karsts and islesin (2).............. shapes and sizes. Ha Long Bay is a centre of a larger zone which (3)............. BaiTuLong Bay to the northeast, and Cat Ba Island to the southwest. Ha Long Bay has an erea of around 1,553 $km^{2}$ , including 1,960-2,000 islets, most of (4)...........are limestone. The core of the bay has an area of 334$km^{2}$ with a high density of 775 islets. The limestone in thi bay gone throught 500 million years of (5)............ in different conditions and environments. The evolution of the karst in this bay has taken 20 million years (6)............. the impact of the tropical wet climate. The geo-diversity of theenvironment in the area has crated (7)..............., including a tropical evergreen biosystem, oceanic and sea shore biosystem. Ha Long Bay is (8).......... to 14 endemic floral species and 60 endemic faunal species. 1. a) situation b. destination c. direction d. ground 2. a) various b. complex c. exciting d. original 3. a) offers b. includes c. consists d. covers 4. a) them b. those c.which d. whom 5. a) formation b. foundation c. establishment d. contribution 6. a) in b. of c. for d. under 7. a) biochemical b. biodiversity c. bioconversion d. biodefense 8. a) way b. place c. home d. house

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