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["Страна","Население"]
["Китай",1273]
["Индия",1030]
["США",279]
["Индонезия",228]
["Бразилия",175]
["Россия",146]
["Бангладеш",131]

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["Наименование устройства","Цена (в у.е.)"]
["Системная плата",80]
["Процессор",70]
["Оперативная память",15]
["Жесткий диск",100]
["Дисковод 3,5\"",14]
["Монитор",200]
["Дисковод CD-ROM",30]
["Корпус",25]
["Клавиатура",10]
["Мышь",5]

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["x",-4,-3,-2,-1,0,1,2,3,4]
["y = x^2-3",13,6,1,-2,-3,-2,1,6,13]
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