На какое число надо разделить 180, чтобы частное было на 5 больше делителя а остаток на 7 меньше делителя. (расписано) заранее спасибо
180=x*y+r, где x-делитель, y-частное и r-остаток.y=x+5r=y-7Составим систему:180=x*y+r, y=x+5, r=y-7 a) r = -19, x = -17, y = -12б) r = 9, x = 11, y = 16Ответ: -17, либо 11.
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About Myself and My Family.
Let me introduce myself to you. I am John Brown, an Englishman. I am twenty-five years old. By profession I am a doctor. I work at a large hospital in London. I am unmarried. Our family is large. We are six: my father, my mother, my grandmother, my brother, my sister and me. We all live together. My parents are not old. My father, George Brown, is fifty-five; and my mother, Jane Brown, is fifty-two. My father is a manager of a big plant. My mother does not work, she is a housewife. My grandmother, Katherine Smith, is a pensioner. She helps my mother to keep house. My brother’s name is Michael. He is a young scientist. We are twins. Mary, our sister, is five years younger than we are. She is twenty and she studies at the University of London at the Faculty of Arts. She is a third-year student. My sister is unmarried. My brother Michael is going to marry this summer. His bride, a nice young woman, is a musician. Her name is Elizabeth. As to me, I am a typical bachelor. We live in a two-storeyed cottage in the suburb of London.
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