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buiminhnhan0
2 năm trước
Mn ơi cho mình hỏi : trong phần chia lăng trụ, V(chóp) = 1/3.V(lăng), điều này áp dụng cho cả lăng trụ xiên và đứng ko? Hay chỉ áp dụng cho lăng trụ đứng ạ?
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Complete with present perfect progressive or simple, or the present progressive or simple. Dear Francesca, We (1) _are having_ a wonderful time here in York. We (2) ________ here for three days now and we (3)______ to stay for the rest of the week because we (4)_______ ourselves so much. We (5)_______ the Cathedral and the Castle Museum and this morning we (6)________ around the little old-fashioned streets, looking at the shops and cafés. I'm waiting this while we stop for a cold drink before lunch. Uwe (7)________ much money yet but we'll get some souvenirs before we leave. Besides the sightseeing, we (8)________ some exercise. The countryside around York is lovely and we (9)________ some lovely long walks. Fortunately, the weather (10)________ very good so far. People (11)________ it can be very cold and it often (12)________ for days! As this is the first time I (13)________ to England. I (14)________ I'm just lucky. See you soon, Roberta

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