Resposta:
A) 3×(-2)²+5
3×4+5
12+5
17
B)
[tex] \frac{2 {}^{2} - 3 \times ( - 2) }{2 \times 2 {}^{} +( - 2) {}^{3} } = \frac{4 + 6}{4 - 8} = \frac{10}{ - 4} = - 2.5 \\ [/tex]
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Resposta:
A) 3×(-2)²+5
3×4+5
12+5
17
B)
[tex] \frac{2 {}^{2} - 3 \times ( - 2) }{2 \times 2 {}^{} +( - 2) {}^{3} } = \frac{4 + 6}{4 - 8} = \frac{10}{ - 4} = - 2.5 \\ [/tex]