67085-К:90=59375 700.(83400:m)=420000

1) 67.085 - К : 90 = 59.375 - К : 90 = 59.375 - 67.085 - К : 90 = - 7.710 К : 90 = 7.710 К = 7.710 * 90 К = 693.900 проверка: 67.085 - 693.900 : 90 = 59.375 67.085 - 7.710 = 59.375 59.375 = 59.375 2) 700 * (83.400 : m) = 420.000 83.400 : m = 420.000 : 700 83.400 : m = 600 m = 83.400 : 600 m = 139 проверка: 700 * (83.400 : 139) = 420.000 700 * 600 = 420.000 420.000 = 420.000