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hd0234545
2 năm trước
Cho tam giác ABC có diện tích là 160 m2. M là điểm giữa của cạnh AB. Trên AC lấy điểm N sao cho AN=AC. Tính diện tích tam giác AMN mình đang cần gấp
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Where did your water come ______________ before it arrived in your kitchen? Is your glass of from water as (1)______________ as this morning or as old as the dinosaurs? Water on Earth is always moving round and round, (2)______________ a wheel turning. This is called “the water cycle”, and it (3)_______________ no beginning or end. We will start (4)________________ the oceans, the largest bodies of water on Earth. In this part of the (5)________________, the sun heats the water in the oceans, and then the warm water evaporates into the air. The water in the air eventually (6)_______________ together to form very large clouds. Wind then moves the clouds over the land. When clouds finally meet cold air, the water comes down in the form of (7)________________ or snow. Some of this rainwater will stay on the land, but most of the water goes down (8)________________ rivers and steams. Finally, it goes (9)_________________ to the oceans, where the cyble begins again. The water cycle is billions of years old. So, think (10)_________________ about how old that water in your glass is! It’s much, much older than you thought.

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