Expressões matemáticas. Exercício simples, me ajudem?
a) (-2/3)² + (-2/3) + (-2/3)^0 (elevado a zero)
b) (2 - 1/4) - (3 - 1/2)
c) 3/4 - 5/6) : (1/2 + 1/4)
d) (-1 + 1/2) . (-2 - 3/4)
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a) (-2/3)² + (-2/3) + (-2/3)^0 (elevado a zero)
b) (2 - 1/4) - (3 - 1/2)
c) 3/4 - 5/6) : (1/2 + 1/4)
d) (-1 + 1/2) . (-2 - 3/4)
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Verified answer
a) 4/9 - 2/3 + 1 = 4/9 - 6/9 + 9/9 = 7/9
b) 7/4 - 5/2 = 7/4 - 10/4 = -3/4
c) (-2/24)/(3/4) = (-1/12)*(4/3) = -1/9
d) (-1/2) * (-11/4) = 11/8
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