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yanasad
@yanasad
July 2022
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НАЙДИТЕ ЗНАЯЕНИЕ ВЫРАЖЕНИЯ!
(a-1)(a-2)-(a-5)(a+3) при а=-8
(m+3)^2- (m-9) при m=-0,5
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alyonca2000
A²+2a-1a+2-a²-3a-15-2a+2=4a-13=4*8-13=19
(m+3)(m-3)-(m-9)=(m²-9)-(m-9)=0.25-9=8.75 0.5-9=8.5
8.75-8.5=0.25
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Answers & Comments
(m+3)(m-3)-(m-9)=(m²-9)-(m-9)=0.25-9=8.75 0.5-9=8.5
8.75-8.5=0.25