Question

CALCULE O VALOR NUMÉRICO DAS EXPRESSÕES: A) x+y ,PARA x = 3/2 E y = 1/4 B) x - y , PARA x 3/4 E y = 1/2

Answer 1

$a) \frac{3}{2} + \frac{1}{4} = \frac{6 + 1}{4} = \frac{7}{4} = 1.75 \\ b) \frac{3}{4} - \frac{1}{2} = \frac{3 - 2}{4} = \frac{1}{4} = 0.25$