Question

Efetue : a) -7/3 + (-5/6)-(-1/4) =

Answer 1

$- \frac{7}{3} + ( - \frac{5}{6} ) - ( - \frac{1}{4} ) = \\ \\ - \frac{7}{3} - \frac{5}{6} + \frac{1}{4} = \\ \\ - \frac{35}{12}$

mmc de ( 3 , 6 , 4 )= é 12

3 - 6 - 4=>2

3 - 3 - 2=>2

3 - 3 - 1=>3

1 - 1 - 1=>>>>2.2.3=12