Question

Calcule as expressões:​

Answer 1

Resposta:

a) 7 . 3² - 1² . 5 =

7 . 9 - 1 . 5 =

63 - 5 =

58

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b) $\sqrt{25}$ . ($\sqrt{196}$ - 2³) =

5.(14 - 8) =

70 - 40 =

30

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c) (2³ . 3² - 6²)

(8 . 9 - 36)

(72 - 36)

36

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d) 2³ . 3 - $\sqrt{6 . 8 + 1}$

8 . 3 - $\sqrt{48 + 1}$

24 - $\sqrt{49}$

24 - 7

17

Espero ter ajudado <3