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В треугольнике abc на высоте bf отмечена точка o такая что ao=oc расстояние от точки o до стороны ab равно 4 см а до стороны ac 7 см найдите расстояние от точки o до строны bc
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Предмет:
Геометрия -
Автор:
timothygwpn - 5 лет назад
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Ответы 1
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наверное неточны обоэначения треугольника и высоты можно с рису
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Автор:
biggiehkh4 - 5 лет назад
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0
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ПРОСЬБА КАК МОЖНО СКОРЕЕ!! Кто умеет качественно перевести текст..
AT THE SUPERMARKET
Nowadays more and more supermarkets appear in our cities. They are called self-service shop. Why do people like shopping in this self-service shop? There are three main reasons for this: it doesn't take them much time, there is a wide choice of all possible products in this shop and the prices are not very high.
There are several aisles in the shop: fruit and vegetables, meat and fish counters and others.
The green grocery and fruit aisles offer a great variety of fresh and canned vegetables and fruit. There you can buy spring onions, brown onions, potatoes, carrots, beets, cabbages and lettuce. There are also radishes, cauliflower and green peas on the counters. The customers can put the vegetables into plastic bags.
The fruit are always very fresh. You can buy bananas, grapes, lemons, oranges, tangerines and pineapples, pears, apples and plums. In season the shop has a great variety of berries: strawberries, cherries, raspberries, black and red currants, gooseberries and cranberries. In summer they sell water melons and melons. Fruit and berry jams are sold all year round. There is also a wide choice of fruit and vegetable juices to any taste. You can buy bottles and packs of juice of any size.
All kinds of cereals you can buy at the grocery aisle: oatmeal, millet, rice, buckwheat and pearl barley. They also sell macaroni, vermicelli and noodles. There you can also buy vegetable oil, spices, flour, potato flour, peas and some other products.
At the meat counter the customers can buy pork, beef, mutton, veal and poultry. The meat products are ready packed and some of them can be cooked in microwave oven. There are also delicatessen and smoked meats and sausages here. They offer you all kinds of sausages, liver pâté, ham, canned beef and pork.
There is a wide choice offish at the supermarket. You can buy live carp, pike, bream and sheat-fish. There is much fresh-frozen fish: perch, cod, plaice and some other. You can buy pike-perch and sturgeon, lobsters, shrimps, scallops, fillet of sword-fish, tuna fish, live craw-fish, herring and kipper here. There is also much canned fish.
Dairy department has a wide choice of milk products. There you can buy milk, butter, cream, yogurts, kefir, sour cream, cheese, curds, cottage cheese, pot cheese, and cream cheese. At this department you can also buy eggs, mayonnaise and margarine.
You go for white and brown bread to the bread section. There are a lot of baked items in this section. You can also buy rolls, buns, muffins, and croissants there.
There is a rich choice of items in the confectionery: lump sugar, granulated sugar, sweets, chocolates, chocolate bars and biscuits. A lot of other tasty things are on sale here: pastry, jam-puffs, tarts, wafers, marmalade and also tea, coffee and cocoa.-
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