=\(\left(\frac{377}{-231}-\frac{123}{89}+\frac{34}{791}\right).\left(\frac{4}{24}-\frac{3}{24}-\frac{1}{24}\right)\)
= \(\left(\frac{377}{-231}-\frac{123}{89}+\frac{34}{791}\right).0\)
= \(0\)
k mk nếu đúng nha bn
=(377/-231+-123/89+34/791)x(4/24-3/24-1/24)=(-377/231+-123/89+34/791)x0=0