Ответ:
Объяснение:
5/(7-2√6)= 5/(7-2√6) *(7+2√6)/(7+2√6)=(35+10√6)/(49-24)=
=(35+10√6)/25=5(7+2√6)/25=(7+2√6)/5
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Ответ:
Объяснение:
5/(7-2√6)= 5/(7-2√6) *(7+2√6)/(7+2√6)=(35+10√6)/(49-24)=
=(35+10√6)/25=5(7+2√6)/25=(7+2√6)/5