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Andre5887789987
@Andre5887789987
June 2022
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Алгебра,25 баллов!!!!!!!
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Verified answer
1) (36,5² - 27,5²)=(36,5-27,5)(36,5+27,5)=9*64
2) 57³+33³=(57+33)(57² -57*33 + 33²)=90(57² - 57*33 + 33²)
3) [90(57² - 57*33 + 33²)]/90=57² - 57*33 + 33²
4) 57² - 57*33 + 33² - 57*33 = 57² - 2*57*33 + 33² =(57-33)²=24²
5) (9*64) : 24² =(9*4*4*4) : (4*6)² =(9*4*4*4) : (4*4*6*6)=
=(9*4):(6*6)=36:36=1
Ответ: 1.
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Answers & Comments
Verified answer
1) (36,5² - 27,5²)=(36,5-27,5)(36,5+27,5)=9*642) 57³+33³=(57+33)(57² -57*33 + 33²)=90(57² - 57*33 + 33²)
3) [90(57² - 57*33 + 33²)]/90=57² - 57*33 + 33²
4) 57² - 57*33 + 33² - 57*33 = 57² - 2*57*33 + 33² =(57-33)²=24²
5) (9*64) : 24² =(9*4*4*4) : (4*6)² =(9*4*4*4) : (4*4*6*6)=
=(9*4):(6*6)=36:36=1
Ответ: 1.