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World Languages, 12.03.2021 18:50 10040813

01) A professora solicitou a um aluno que resolvesse a seguinte expressão: N = ( - 8 )² - 5². Nas opções abaixo, marque o valor de N? * 35

30

39

42

02) Seja A = 7² - 4² e B = (7 - 4)². Então os valores de A e B são respectivamente: *

33 e 9.

25 e 9.

49 e 16.

16 e 16.

03)A professora de Janaina lançou um desafio para seus alunos. Descubra o resultado da expressão a seguir: 9² - ( - 5)¹ + [ ( 2 )³ + ( - 2)² ]. O resultado da expressão é: *

105.

78.

81.

98.

04)Renan resolveu a seguinte expressão que estava escrita no quadro da sua sala de aula: -3³ + ( - 6)². Marque o resultado que Renan encontrou. *

19

9

21

11

05)Resolvendo a expressão abaixo vamos obter: N = 8 . (- 2)² - 5. ( + 7) *

N = 4

N = 3

N = - 3

N = - 5

06)Qual é o valor de x, sendo que x = -3 + 7² - ( 7 . 6 : 14) ? *

43

45

21

49​

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