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

х:456=389                                         23.650:х=50              67.068:324+330:30=218      

х=456*389                                        х=23.650:50

х=177.384                                       х=473

проверка:                                          проверка:

177.384:456=389                               23.650:473=50