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((−5)+2)2·(1+6)(−2)2
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Solution
252
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((−5)+2)2(1+6)(−2)2
Seguir a ordem PEMDAS das operações
Calcular a expressão entre parênteses ((−5)+2):−3
=(−3)2(1+6)(−2)2
Calcular a expressão entre parênteses (1+6):7
=(−3)2·7(−2)2
Calcular expoentes (−3)2:9
=9·7(−2)2
Calcular expoentes (−2)2:4
=9·7·4
Multiplicar e dividir (da esquerda para a direita) 9·7·4:252