Tính giá trị biểu thức: A=x^2+2xy+y^2+4 với x+y=1

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A group of three pyramids, Khufu, Khafra, and Menkaura, outside modern Cairo, is often called the first wonder of the world. The largest Pyramid had an original estimated height of 482 ft (now approximately 450 ft). Estimated date of completion is 2680 B.C. Of all the Ancient Wonders, the pyramids alone survive. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria 5.2. The seventh wonder was the Pharos (lighthouse), built during the 3rd century B.C. on the island of Pharos off the coast of Egypt. It was more than 400 ft tall, making it the tallest structure in the ancient world. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria 6.3. This famous monument was erected by Queen Artemisia in memory of her husband, King Mausolus of Caria in Asia Minor, who died in 353 B.C. This shrine is the source of the modern word “mausoleum”. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria 7.4. Often listed as the second wonder, these gardens were built around 600 B.C. Very little is known about this wonder, including when or how it was destroyed. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria 8.5. Built during the 5th century B.C., this colossal figure in gold and ivory was reputedly 40 ft high. All trace of it is lost, destroyed in a massive fire, except for reproductions on coins. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria 9.6. A beautiful structure, began about 350 B.C., has columns 60 ft high. It was destroyed by invading Goths in A.D. 262. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria 10.7. This bronze statue of Helios (Apollo), about 105 ft high, was completed in 280 B.C. It was destroyed during an earthquake in 224 B.C. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria