Ответы на вопрос:
Hello -hello -how are you ? -i'm fine . and you ? -ok! -i see . and when your birthday ? - my birthday is at december - date ? - in 2.10 -fantastic ! and where do you will fix your birthday ? -hmm i don't know ! sorry ! - never mind ! and are you happy ? - yes , i am! because you asked me ! very well ! - thank you very much ! buy and good evening - thank you ! bye bye !
(8x/(x-2) +2x)÷(4x+8)/(7x-14)=(8x+2x(x-2))/(x-2) ·7(x-2)/(4(x+2))=7x(8+2x-4)/(4(x+2))=7x(4+2x)/((4(x+2))=14x(2+x)/(4(x+2))=7x/2
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