Question

calcule a expressão numérica:

Answer 1

Simplificando

0,5*2+0,5:0,5/0,5+0,66-0,5= 4,54

Answer 2

$\frac{ \frac{2}{4}.2+ \frac{4}{8}: \frac{1}{2}}{ \frac{1}{2}+ \frac{2}{3}- \frac{4}{8}} \\ \\ \frac{1+ \frac{1}{4}}{ \frac{2}{3}} \\ \\ \frac{ \frac{5}{4}}{ \frac{2}{3}} \\ \\ \frac{5}{4}. \frac{3}{2} = \frac{15}{8}$