Question

Вычислите
(-5/7)+(-2/7)

Answer 1

$(- \frac{5}{7} )+(- \frac{2}{7} )= -\frac{7}{7} =-1$

Answer 2

$( - \frac{5}{7} ) + ( - \frac{2}{7} ) = - \frac{5}{7} - \frac{2}{7} = - 1$