Ответ:
(75^2-25^2)/(62,5^2-37,5^2)=
=(75-25)(75+25)/(62,5-37,5)(62,5+37,5)=
=50×100/25×100=50/25=2
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Verified answer
Ответ:
(75^2-25^2)/(62,5^2-37,5^2)=
=(75-25)(75+25)/(62,5-37,5)(62,5+37,5)=
=50×100/25×100=50/25=2