Question

6) Calcule o valor das expressões
a)
$3 { }^{2} - 2 {}^{3} + ( \frac{1}{2} ) {}^{0} =$
b)
$4. \: 2 {}^{3} + \frac{3}{2} . \: ( - 2) {}^{1} =$
c)
$2 {}^{3} - 2. \: 3 {}^{2} =$
d)
$( + 5) {}^{3} - ( - 5) {}^{3} =$
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Answer 1

a)

3² - 2³ + (1/2)⁰

9 - 8 + 1

2

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b)

4 . 2³ + 3/2 . (-2)¹

4 . 8 - 6/2

32 - 3

29

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c)

2³ - 2 . 3²

8 - 2 . 9

8 - 18

-10

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d)

5³ - (-5)³

125 - (-125)

125 + 125

250