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ПростоАртур
@ПростоАртур
March 2022
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Вычислите наиболее рациональным способом
(3(целых) 1/2)² - (1(целая) 1/2)²
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litanalove
По формуле a² -b² =(a-b)(a+b)
3 1/2 =7/2
1 1/2 =3/2
(7/2 - 3/2)(7/2 + 3/2) =(4/2) *(10/2) =2*5 =10
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ПростоАртур
Спасибо
litanalove
пожалуйста
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Answers & Comments
3 1/2 =7/2
1 1/2 =3/2
(7/2 - 3/2)(7/2 + 3/2) =(4/2) *(10/2) =2*5 =10