Решите уравнения:
а) 1 (целая) 3/7 - 3/14x = 5/7;
б) - 1 (целая) 7/12 - 1 (целая) 3/4 = 1/8;
а) 1 (целая) 3/7 - 3/14x = 5/7;
б) - 1 (целая) 7/12 - 1 (целая) 3/4 = 1/8;
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А) 1 3/7 - 3//14х = 5/710/7 - 3/14х = 5/7 ,
умножим левую и правую уравнения на 14х
20х - 3 = 10х
10х = 3
х = 0,3