Х: 456=389 ,      23650:х=50        помогите решить уравнение и :67068:324+330:30

х:456=389                                         23.650:х=50              67.068:324+330:30=218       х=456*389                                        х=23.650:50х=177.384                                       х=473проверка:                                          проверка:177.384:456=389                               23.650:473=50